Patek Philippe Keyless Dress Watch
Record status
Individual type · partial
Period
circa 1928
This Patek Philippe & Cie dress watch, produced circa 1928 in Geneva, Switzerland, is a keyless horological instrument housed in an 18K yellow gold case measuring 43 mm in diameter.
The watch features a polished, three-body case design with a snap-on case back bearing an initial engraving of 'D'. The brushed silver dial is characterized by applied yellow gold Breguet numerals and is completed by yellow gold Breguet hands, with an outer minute track and a dedicated subsidiary seconds dial. Internally, the timepiece is powered by a rhodium-plated movement, identified as Caliber 17???, featuring 18 jewels, a straight-line lever escapement, and a cut bimetallic compensation balance with eight adjustments.
The watch utilizes a blued steel flat balance spring and an index regulator. The dial, case, and movement are signed by Patek Philippe & Cie, confirming the manufacturer's authentication marks on all primary components.
Evidence at a glance
- Linked sources
- 1
- Photograph views
- 1
- Catalogue references
- 0
Counts describe this entry’s documentation, not authenticity, rarity or completeness. Photographs may show one specimen; check each caption and licence.
Technical characteristics
- Type
- Dress watch
- Maker
- Patek Philippe & Cie
- Jewels
- 18
- Diameter
- 43 mm
- Case Number
- 411145
- Case Material
- 18K yellow gold
- Serial Number
- 809607
- Place recorded
- Switzerland
- Maker / attribution
- Patek Philippe & Cie
- Movement Decoration
- fausses cotes
Design
- Visible features
- • Applied yellow gold Breguet numerals on the dial • Snap-on case back with an engraved 'D' initial • Subsidiary seconds dial with a circular guilloché pattern • Yellow gold Breguet-style hands
- Case and Dial Design
- The watch features a polished three-body case crafted from 18K yellow gold. The back of the case is a snap-on type, personalized with the engraved initial 'D'. The dial is finished in a brushed silver tone and is set with applied yellow gold Breguet numerals. Time is indicated by yellow gold Breguet hands, complemented by an outer minute track. A subsidiary seconds dial is located at the bottom of the dial surface, featuring a fine concentric texture. The auction description reports the presence of slight scratches on both the case and the dial surface, which is described as patinated.
- Movement and Mechanics
- The movement is a keyless caliber identified by the source as 17???, indicating the precise model remains under-specified in the provided data. The architecture includes rhodium plating and is embellished with fausses cotes finishing. Technical features include a straight-line lever escapement and a cut bimetallic compensation balance adjusted in eight positions. A blued steel flat balance spring and an index regulator control the timekeeping regulation. The movement is comprised of 18 jewels.
- Signatures and Grading
- The watch is signed by Patek Philippe & Cie on its primary components, specifically the dial, the interior of the case, and the movement. The item was graded by the auction house as 'AA', which equates to a 'Very good' condition rating. The individual component grading lists the case and dial as 'Good', with specific notes on scratches and surface wear.
Identification
- Serial number
- 809607
- Source note
- Facts transcribed from the linked source listing or collection record. Attribution and specifications are source-reported and have not been independently authenticated.
Catalogue references
No catalogue numbers recorded. Numbers are only published once transcribed from a verified edition of a standard catalogue — they are never inferred.
Research required
- Research required: Movement caliber is listed as 17??? in source documentation, indicating an incomplete identification
- Research required: The auction description reports the watch as patinated and having slight scratches on the case and dial