Editorial

Reference guides, collecting advice and market context to help you choose your next watch.

Rolex Sea-Dweller 126600 in Oystersteel with black dial, red Sea-Dweller text and black Cerachrom bezel
Rolex Sea-Dweller 126600: Specs, History and Price Guide
|Filip Biczak
The Rolex Sea-Dweller 126600 is the 43 mm steel diver launched in 2017 with red dial text, a helium escape valve and the calibre 3235, positioned between the Submariner 126610LN... Read more...
Rolex Yacht-Master 42 226627BO titanium watch with luminous dial
Titanium vs Ceramic Watches: How Case Materials Affect Value in 2026
|Filip Biczak
How titanium, ceramic, precious metals and composites age, how they are serviced and what that means for a luxury watch's resale value, with dated catalogue examples. Read more...
Rolex Oyster Perpetual 31 277203 in yellow Rolesor with a slate index dial
Rolex Oyster Perpetual 31 277203: Yellow Rolesor, Slate Dial Guide
|Filip Biczak
A reference guide to the Rolex Oyster Perpetual 31 277203 in yellow Rolesor with a slate index dial: specifications, sizing, comparison with siblings, dated catalogue price and what to check... Read more...
Rolex Submariner 41 mm 126610LN steel watch with black dial and Cerachrom bezel
Luxury Watch Value in 2026: Provenance, Sustainability and Global Demand
|Filip Biczak
What drives luxury watch values in 2026: demand, provenance, originality and cross-border liquidity, with an honest look at how far sustainability moves prices. Read more...
Richard Mille RM07-03 Automatic BonBon 40 mm ceramic with black and golden skeleton dial on a rubber strap
Richard Mille RM07-03 BonBon: 40 mm Ceramic Automatic Guide
|Filip Biczak
A reference guide to the pre-owned Richard Mille RM07-03 BonBon, a 40 mm ceramic automatic with a black and golden skeleton dial on rubber, with specifications, 45 mm comparisons, dated... Read more...
Cartier Tank Louis Cartier Large 38.1 mm by 27.8 mm WGTA0346 in rose gold with silver Roman numeral dial
Cartier Tank Louis Cartier WGTA0346: Large Rose Gold, Silver Dial Guide
|Filip Biczak
A reference guide to the Cartier Tank Louis Cartier WGTA0346, a large 38.1 mm by 27.8 mm rose gold watch with a silver Roman numeral dial on alligator, with sizes... Read more...
Rolex Cosmograph Daytona 116520 in steel with black dial and engraved steel tachymeter bezel
Rolex Daytona 116520: Steel Calibre 4130 Guide
|Filip Biczak
A reference guide to the steel Rolex Daytona 116520 and calibre 4130, compared with the 116500LN and 16520, with dated catalogue prices and buying checks. Read more...
Audemars Piguet Royal Oak Offshore Limited Edition 43 mm 15600TI.OO.A343CA.01 titanium watch with blue dial
Watch Service History and Limited Editions: What Each Adds to Value
|Filip Biczak
How servicing and limited-edition status change a luxury watch's value, with a service-step table, an edition-type table and checks to run before paying extra. Read more...
Unworn 2025 Rolex Datejust 41 Wimbledon 126334 seated in its green Rolex box with the warranty booklet, hang tag and green seal behind it
Rolex Datejust 41 126334 Wimbledon: Specs, Oyster vs Jubilee and Prices
|Filip Biczak
A reference guide to the Rolex Datejust 41 126334 Wimbledon, covering the slate dial, white gold fluted bezel, Oyster versus Jubilee bracelet, an unworn 2025 example, dated catalogue prices and... Read more...
Rolex Datejust 41 126333BSJ1 in steel and yellow gold with black dial and fluted bezel on a Jubilee bracelet
Rolex Datejust 41 126333BSJ1: Yellow Rolesor, Black Dial, Pre-Owned Guide
|Filip Biczak
A reference guide to the pre-owned Rolex Datejust 41 126333BSJ1 in yellow Rolesor with a black index dial, fluted bezel and Jubilee bracelet, with specifications, dated catalogue prices and buying... Read more...
Patek Philippe Calatrava 5227R-001 rose gold watch with ivory dial
Luxury Watch Valuation and Digital Authentication: A 2026 Framework
|Filip Biczak
A step-by-step framework for valuing a luxury watch in 2026, covering craft and originality, paper and digital records, and where digital passports help or fail. Read more...
Rolex Datejust 36 126281RBRWMDJ in steel and Everose gold with diamond bezel and white mother-of-pearl dial
Rolex Datejust 36 126281RBRWMDJ: Everose Rolesor, Diamond Bezel, Mother-of-Pearl Dial
|Filip Biczak
A reference guide to the Rolex Datejust 36 126281RBRWMDJ, an Everose Rolesor watch with a diamond-set bezel, white mother-of-pearl dial and Jubilee bracelet, with specifications, dated catalogue prices and buying... Read more...