Patek_3944
199
What does /1 after a model number indicate? Does it mean metal braclet?
I am curious what the /1 after a model number indicates.
I thought it meant bracelet ?
The above link is for a very rare World Time which is on a leather strap but is a /1 model reference.
While this Tiffany-signed 2523/1 is a very special watch – one of just nine examples of this reference known and the only Tiffany retailed piece.....

Reference Guide
quattro · Nov 9, 2024
Explore Patek Philippe Travel Time watches from vintage Ref. 2597 to modern 5224R. A collector's guide to dual time zone complications.
20 replies7422 views

Reference Guide
quattro · Mar 7, 2026
Explore Patek Philippe's double-signed watches with a comprehensive list of 57 retailers and 15 individuals featured on dials. Understand the history and significance of these rare co-branded timepieces.
63 replies4387 views

Reference Guide
Mark in Paris · Jan 4, 2017
Mark in Paris recaps 2016 Patek Philippe articles and previews 2017 Aquanaut and Caliber 240 anniversaries. Essential guide for collectors.
30 replies149252 views

New Release
Mark in Paris · Mar 16, 2016
Explore Patek Philippe's 2016 novelties from Baselworld, including the 5164R Aquanaut and 5170R chronograph. Mark in Paris reviews new models, design philosophy, and collector reactions.
110 replies84889 views

New Release
Mark in Paris · Mar 22, 2017
Discover Patek Philippe's 2017 Baselworld novelties: 24 new references blending tradition with modern design, including the 5320G, 5168G, and 5372P.
124 replies80365 views

Reference Guide
amanico · Apr 21, 2009
Compare Patek Philippe World Time references 5110 and 5130. Explore dial, size, and design differences with macro photos. Which is your favorite?
115 replies77944 views