









Patek Philippe reference 521 in yellow gold with extract
1938 | Yellow gold | Manual | 24.0mm
To own a Patek Philippe from 1938 is to hold Geneva watchmaking at its most architecturally daring. The reference 521 is a striking Art Déco gentleman's watch — its stepped, multi-faceted case with bold sculpted lugs is a world away from the restrained round Calatravas of the same era, and all the more compelling for it.
The 24 x 30mm yellow gold case houses a slim manually wound movement with subsidiary seconds at 6 o'clock, finished as one would expect from Geneva's most demanding maison. The engraved enamel dial — a labour-intensive craft even by 1938 standards — is silvered, with applied yellow gold baton indices and matching leaf hands. The warmth of the yellow gold throughout, from case to indices to hands, gives this watch a rare visual cohesion that feels entirely intentional.
This watch is accompanied by an official Patek Philippe Extract from the Archives, confirming its provenance — an irreplaceable document that elevates an already exceptional piece. It retains its original 18k gold buckle.
Eighty-seven years old, and it hasn't lost a thing.
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SPECIFICATIONS
Reference 521
Year 1938
Diameter 24.0 mm
Movement Manual
Dial color Clair
Case material Yellow gold
Bracelet material Alligator
Accessories
CONDITION
Case Very good
Dial Very good
Movement Serviced
Hands Very good
Crown Very good
Warranty 12 months
Patek Philippe

