BuyingTime Daily - December 9, 2025
Tariff twists, a $7.7M AP shocker, Studio Underd0g goes in-house, Rolex patents atomic tech, and fresh drops from Nomos, Hublot, and more.
Time Graphing today’s watch universe
Here’s your Time Graphing Today’s Watch Universe for December 9, 2025 — a lively day in watches with tariffs, tech, trophies, and tourbillons all sharing the spotlight.
Patek Philippe is back at the center of the tariff drama, with growing expectations that U.S. prices could ease if Swiss watch duties retreat from 39% to 15%. After hiking prices about 15% earlier this year and squeezing dealer margins, a rollback could bring flagship references closer to global parity just in time for holiday shopping. No confirmation yet from Geneva, but the pressure is building as competitors quietly absorb costs instead of passing them along.
Independent brand momentum continues as Studio Underd0g officially acquires UK-based assembler Horologium, pulling production in-house and opening the door to future experiential retail. Horologium currently builds over a thousand watches a month and drives the bulk of Underd0g’s revenue, while plans are already brewing for customer-facing workshops and showrooms. Meanwhile, Rolex filed a patent that reads more like sci-fi than Swiss heritage, outlining a compact optical atomic clock with lasers designed to self-correct accuracy errors. If realized, it could push Rolex quietly into telecom and aerospace-level precision.
At Sotheby’s, Audemars Piguet shattered expectations when its one-of-one “Grosse Pièce” pocket watch exploded to $7.736 million—more than seven times its high estimate—making it the most expensive AP ever sold. The result confirms that ultra-complicated historic pocket watches have officially crossed into trophy-asset territory.
On the feature side, Hamilton rolled out its 2025 holiday icons with a lineup spanning military-inspired Khaki models, Ventura futurism, and Interstellar nostalgia, while deep dives into Type A vs. Type B pilot watches and the misunderstood reality of “30 meters” of water resistance offered plenty of practical education for collectors. A particularly emotional highlight came from a restored Rolex Deepsea recovered from wildfire devastation—proof that horology often carries far more than monetary value.
Looking ahead to the calendar, Inhorgenta 2026 is shaping up to be a major February destination in Munich with over 1,300 brands confirmed and craftsmanship positioned front and center. New releases today ranged from the budget-friendly Eska Racing Chronograph to bold street-art theatrics from Hublot, anniversary refinement from Massena LAB, fresh worldtimer colors from Nomos, and handsome heritage tributes from Union Glashütte. On the review front, highlights included the accessible tourbillon play from BA111OD, ruby-drenched excess from F.P. Journe, a size evolution from Nivada Grenchen, and a long-term ownership love letter to the modern Omega Speedmaster.
At auction, yesterday’s Rolex Land-Dweller stalled just shy of reserve at $27,505, while tonight all eyes remain on the still-surprisingly-low current bid of $37,500 for the 2025 Patek Philippe 5326G-001 Travel Time Annual Calendar—one of the most technically elegant and wearable complicated watches on the modern market. All in all, it’s a day where macroeconomics, microengineering, and million-dollar hammer prices collided in classic watch-world fashion.
News Time
Patek Philippe expected to cut prices when US tariffs drop
After the U.S. raised import tariffs on Swiss watches by 39% in August, Patek Philippe increased U.S. prices around 15% and trimmed dealer margins. With indications tariffs may fall to 15%, observers expect Patek to reduce prices, potentially bringing flagship models closer to international parity. The brand has not confirmed cuts, but delaying could risk slowing U.S. holiday sales as local pricing remains above other markets. Some peers have chosen to absorb tariff costs rather than hike prices.
Studio Underd0g buys Horologium and may open stores
Studio Underd0g completed the acquisition of UK-based assembler and service provider Horologium, bringing assembly in-house to improve efficiency and customer engagement. Horologium currently assembles 1,000 to 1,200 watches per month and contributes about 90% of Studio Underd0g’s annual revenue. The technical team will stay in place through a leadership transition planned for early 2026. The brand is exploring an experiential showroom concept offering hands-on assembly for clients.
Rolex Engineers a Self-Correcting Optical Atomic Clock
Rolex has filed a patent for a compact optical atomic clock that uses a secondary “mitigation laser” to counter light shift errors and improve accuracy. The two‑photon rubidium vapor design aims to deliver precision suitable for telecommunications, aerospace, and other industries. Credited to Fabien Droz of Rolex Quantum SA in collaboration with CSEM, the project underscores Rolex’s innovation beyond traditional watchmaking. If realized, it could set new benchmarks for timekeeping technology.
Sotheby’s Sale of the Audemars Piguet ‘Grosse Pièce’ Shatters Records, Becomes By Far Most Expensive Audemars Piguet At $7,736,000
Audemars Piguet’s “Grosse Pièce” pocket watch achieved $7,736,000 at Sotheby’s, far surpassing its $500,000 to $1,000,000 estimate. The one‑of‑a‑kind watch is the brand’s most complicated pocket watch and the only one to feature both a celestial complication and a tourbillon. Intense bidding quickly vaulted the price past $2 million, driven by multiple participants including a Sotheby’s specialist. The result marks a watershed moment for AP pocket watches at auction.
Precious Pocket Watches at Sotheby’s, Including a US$7.7 Million APWatches - Read More >
Feature Time
Hamilton Highlights Five Of Its Icons For The 2025 Holiday Campaign
Hamilton spotlights five watches for the season, each tailored to different styles and occasions. The Khaki Field Mechanical channels the brand’s military heritage for outdoor versatility, while the Jazzmaster Open Heart adds refinement with a view of the movement. The Ventura Quartz S delivers a bold asymmetrical look, the American Classic Intra‑Matic Auto Chrono appeals to motorsport fans, and the Khaki Field Murph taps into Interstellar nostalgia. Together they blend history and modern craftsmanship for both collectors and casual wearers.
The History of and Differences Between a Type A and Type B Pilot Watch
The Type A (Baumuster A) design features a matte‑black dial, full Arabic numerals, a 12 o’clock triangle with two dots, and luminous sword hands for fast reading. In 1941, the Type B shifted hours to a smaller inner ring and added a large outer 0–60 minute track, a layout that became especially iconic. Born for wartime aviation, Flieger watches enabled navigation and retained enduring appeal thanks to rugged minimalism and legibility. Their military heritage and versatility keep them relevant for modern enthusiasts.
Water Resistance In Watches — Why “30m” Doesn’t Always Mean The Same Thing
“30m” ratings are derived from controlled lab tests and do not account for motion, temperature changes, or real‑world use. As a result, brands interpret the rating differently, with some limiting it to handwashing and splashes and others allowing light swimming. Variations in testing, safety margins, and communication strategies contribute to the confusion. Clearer guidance, such as rating in bars and avoiding implied dive depths, helps buyers match use to capability.
‘Wristwatch Revival’ Restores A Rolex Deepsea That Was Heavily Damaged In The Palisades Fires
A Rolex Deepsea salvaged from a wildfire‑destroyed home arrives with melted movement parts and disintegrated components. The restorer preserves the case and bracelet where possible, replacing the movement, dial, hands, and other irrecoverable elements. The process balances authenticity and functionality, sourcing appropriate components to return the watch to reliable service. Beyond mechanics, the project honors the piece’s story and sentimental value.
Event Time
Everything you need to know about Inhorgenta 2026
Inhorgenta 2026 will run February 20–23 in Munich, bringing together 1,334 brands from 38 countries and around 25,000 visitors. The theme “Craftsmanship” will feature live demos and workshops by goldsmiths, watchmakers, and gemstone experts, alongside an expanded cultural space with Fondation Haute Horlogerie. The Inhorgenta Award returns at Bavaria Filmstudios to celebrate industry excellence. With a curated, quality‑focused environment, the fair aims to help brands and retailers navigate trends like digitalization, sustainability, and traceability.
The Latest Time
Eska
The Ultra-Accessible Eska Racing Chronograph Automatic
Eska returns with the Racing Chronograph Automatic, a 41 mm bi‑compax chronograph offered in Racing Azur and Racing Sunset styles. It pairs vintage‑inspired design cues with modern assembly in France and a dependable SL4617 automatic movement, a clone of the 7750, with a 45‑hour power reserve. The watch ships on a stitched leather strap with a travel pouch, emphasizing accessibility and everyday wear. Price: EUR 408 before taxes.
Hublot
Hublot Unveils New Big Bang Meca-10 Street Art Collection at Art Basel Miami Beach
Hublot’s Big Bang Meca‑10 Street Art Collection debuts in four hand‑painted editions of ten, created with artist Saiff Vasarhelyi using cracked composite concrete cases. The designs extend across cases, straps, and dials, while the skeletonized Meca‑10 movement remains fully on display. Launched amid a lively Miami event, the collection channels the city’s street‑art energy without relying on technical novelty. Price: USD 57,500.
Massena LAB
Massena LAB & Raul Pages TZ30, Celebrating 30 Years of TimeZone
The TZ30 honors TimeZone.com’s 30th anniversary with a 38.5 mm mid‑century profile, deep blue dial, and small seconds, capped by “Observatory Precision” text. Inside is the hand‑wound calibre M690 with a 60‑hour power reserve, finished to a high standard and visible through an exhibition caseback. Limited to 30 numbered pieces and delivered on a handmade Italian calfskin strap, it blends vintage aesthetics with modern refinement. Price: USD 9,900.
Nomos
Introducing: Nomos Club Sport Neomatik Worldtimer Reverie and Roam editions
Nomos introduces two 40 mm Club Sport Neomatik Worldtimer limited editions, Reverie and Roam, each capped at 175 pieces. Both retain the slim stainless steel case, integrated world time function, easy local‑time pusher, and 100 m water resistance, powered by the DUW 3202. The color stories set the two models apart, from champagne and warm accents to cooler blues and greens, all with Super‑LumiNova for clarity. Price: USD 5,190 or EUR 3,490.
The Nomos Club Sport Neomatic Worldtimer ‘Roam’ And ‘Reverie’ Limited Editions - Read More >
Union Glashütte
Union Glashütte 1893 Johannes Dürrstein Anniversary Editions
Marking the founder’s 180th anniversary, Union Glashütte releases limited 1893 Anniversary Editions in 41 mm Large Second and 34 mm Small Second models. Both feature textured taupe dials, heat‑blued hands, domed sapphire crystals, and automatic Union calibres with 42‑hour reserves. The Large Second nods to 19th‑century pocket watches, while the Small Second brings a classic, more compact presence. Prices: EUR 1,960 (Large Second) and EUR 1,780 (Small Second), each limited to 99 pieces.
Wearing Time - Reviews
BA111OD
BA111OD Chapter 4 GMT Tourbillon
BA111OD’s Chapter 4 GMT Tourbillon aims to democratize the tourbillon with a Grade 5 titanium 44 mm case and a 100-hour power reserve. It integrates a GMT complication without sacrificing the clean dial design and robust daily-wear practicality. The modular movement supports interchangeable complications and underscores craftsmanship over hype, reflecting a customer-first strategy that disrupts luxury pricing. Offered for under £8,000, it brings high horology within reach while honoring Swiss watchmaking heritage.
F.P. Journe
Hands On: F.P. Journe Tourbillon Souverain Vertical Joaillerie Rubis
This haute joaillerie piece features the largest baguette rubies ever used in watchmaking, requiring eight years of sourcing and cutting 86 carats down to about 25. A 44 mm platinum case houses the Caliber 1519 with hours, minutes, natural jumping seconds, a constant-force device, and a vertical tourbillon. The ruby dial and 22.5 carats of gemstones showcase extraordinary execution and boundary‑pushing design. While price is undisclosed, exclusivity and craftsmanship place it firmly in collector territory.
Nivada Grenchen
Nivada Grenchen F77 41mm Watch — Bigger And Better-Wearing?
The new F77 grows to 41 mm yet wears easier than the earlier 37 mm version thanks to a thinner profile and reworked integrated lugs. A polished triangular chamfer along the case sides sharpens the aesthetic while nodding to the ’70s original. The textured dial in deep blue or black pairs with a striped baton handset and chamfered indices, powered by the Soprod P024 automatic with a 38-hour reserve. Priced at $1,460 and currently sold out, it’s slated to return soon for those who want a distinctive, comfortable integrated-bracelet sport watch.
Omega
Omega Speedmaster Review: After Years Of Ownership, Is It Actually Worth It?
After long-term ownership of the 1861, moving to the 3861 felt like returning to the Speedmaster always wanted, blending nostalgia with modern refinements. The latest model improves movement performance, accuracy, design details, and bracelet comfort while preserving the icon’s character. The emotional connection deepens with daily wear as the watch bridges past and present collecting milestones. Listed at $9,000, the reviewer finds the 3861 worth the investment given the craftsmanship and personal significance.
Watching Time
Why Swiss watches made by Richard Mille, Patek Philippe are so expensive | 60 Minutes
Inside MB&F’s watchmaking “M.A.D. House”
WatchPro Salon 2025: The future of retail according to the experts
CEO Michel Nydegger on Greubel Forsey’s Next Chapter | Dubai Watch Week 2025
Deployant Show Ep 10 with @biaoist
Talking Time
No new episodes today
BuyingTime at Auction
A few select current auctions that caught our eye on Grailzee and Bezel
[Monday’s auction watch, the 2025 Rolex Land-Dweller 40MM White Dial Flat Jubilee Bracelet (127334)- was bid to $27,505 but did not meet its reserve. - make an offer]
2025 Patek Philippe Complications Annual Calendar Travel Time 41MM Grey Dial Leather Strap (5326G-001)
Auction Report: Patek Philippe Complications Annual Calendar Travel Time 5326G-001
The timepiece offered — a 2025-dated 5326G-001 — is described by the seller as “like new,” complete with box, papers, and additional items, and sized for a wrist up to 7.75 inches. The watch features a 41 mm 18-carat white gold case decorated with Patek’s signature “hobnail” guilloché pattern, a textured charcoal-grey (almost anthracite) dial with luminous syringe-style hands and applied hour markers, a moon-phase indicator integrated into the small-seconds subdial at 6 o’clock, day/night indicators, and dual-time (Travel Time) and annual-calendar complications — showing local and home time simultaneously, along with day, month, and date readouts. The leather strap gives it a refined yet wearable character, suitable for travel, daily wear, or formal occasions.
First introduced in 2022, the 5326G-001 marked the first time Patek Philippe combined its patented annual calendar with the Travel Time dual-time zone system in a single watch. To realize this fusion, the house developed a new self-winding movement — the caliber 31-260 PS QA LU FUS 24H — which controls the calendar based on local time, allowing forward and backward correction of the date and eliminating the need for the travel-time pushers seen on earlier models. Instead, time-zone adjustments are done via the crown, preserving a sleek, classic case design.
The dial aesthetic was designed to evoke vintage camera leather or classic traveller’s equipment, with a grainy texture and a black-gradient rim — a tasteful balance of heritage and modernity. The case measures 41 mm in diameter and about 11.0–11.7 mm thick, with a sapphire crystal front and back, and water resistance of approximately 30 meters — typical for dress / travel Patek pieces.
At retail, this model carries a list price around US$100,721 (as of September 2025). On the secondary/pre-owned market, recent comparable listings and transactions cluster in the US $68,000–$80,000 range. Auction results earlier in 2025 suggest that similar 5326G-001 examples fetched between ≈ $69,000 and $72,000 — though there is variance depending on condition, completeness (box/papers), and provenance.
That said, given this watch’s full set, like-new condition, and 2025 date — essentially a “current-year” example — it justifies being at or slightly above standard market pricing. For an auction concluding tonight at 8:50 pm (Dec 9, 2025), a reasonable bidding range to target might be US$75,000–85,000, assuming competitive interest and no undisclosed blemishes.
Beyond the technical merits and materials, what truly gives the 5326G-001 gravitas is the heritage behind it: the annual calendar — a hallmark complication first introduced by Patek in the 1990s — combined with the Travel Time function that appeals to frequent travelers, executed with modern engineering and eight associated patents.
In conclusion, this lot represents one of the most refined and complete expressions of functional luxury in modern watchmaking — a watch that blends everyday practicality (dual time zones, reliable calendar, robust white-gold case) with the elegance and prestige expected from Patek Philippe. If bidding is timed right, the final hammer price should reflect both the watch’s current desirability and its status as a fresh, full-set, 2025 production.
Current bid: $37,500