Franck Muller Ref. 1790QTJ Perpetual Calendar Tourbillon Rattrapante
Record status
Individual type · partial
Period
circa 2002
Maker / issuer
Franck MullerThis Franck Muller timepiece, numbered 01, is a complex 18K yellow gold wristwatch featuring a one-minute tourbillon regulator, a perpetual calendar, and a split-seconds chronograph.
Produced circa 2002, the watch is encased in a three-body 18K yellow gold housing measuring 37 mm in diameter and 15 mm in thickness, featuring a transparent case back and sapphire crystals. The dial is satiné silver with blued steel Breguet hands and blued steel pyramid indexes placed on a guilloché reserve. The movement is a hand-engraved gilt caliber of 14 lines, containing 28 jewels and a lateral lever escapement.
The tourbillon cage is designed with an A-shaped steel frame under a polished steel cock. The watch includes a perpetual calendar with leap year indication, a split-seconds chronograph with a 30-minute register, and is fitted with a matching 18K yellow gold buckle and accompanied by a fitted box.
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
- Date
- circa 2002
- Type
- Perpetual calendar split-seconds chronograph tourbillon wristwatch
- Maker
- Franck Muller
- Reference
- 1790QTJ
- Case diameter
- 37 mm
- Case material
- 18K yellow gold
- Serial number
- 01
- Place recorded
- Switzerland
- Number of jewels
- 28
- Maker / attribution
- Franck Muller
- Movement dimensions
- 14 lines
Design
- Case and Dial
- The watch is constructed with a solid, three-body 18K yellow gold case featuring straight and rounded lugs. The design incorporates sapphire crystals and a transparent case back, which allows for visual access to the movement. The case measures 37 mm in diameter and 15 mm in thickness. The dial is finished in satiné silver and features applied blued steel pyramid indexes mounted on a guilloché reserve. Several ring dials are present, specifically for the days of the months, days of the week, the months, the leap year, and the 30-minute chronograph register. Timekeeping is indicated by blued steel Breguet hands.
- Visible features
- • Silver satiné dial with multiple engine-turned sub-dials • Visible split-seconds mechanism with round chronograph buttons • Exposed tourbillon regulator through the transparent case back • Blued steel indices and Breguet hands
- Movement and Escapement
- The movement is a hand-engraved gilt caliber of 14 lines, containing 28 jewels. It is equipped with a lateral lever escapement. The one-minute tourbillon regulator is positioned under a polished steel cock and features an A-shaped steel frame. The watch includes a perpetual calendar and a round-button split-seconds chronograph mechanism. The movement balance is monometallic and uses a self-compensating Breguet balance-spring for regulation.
- Condition and Attribution
- The case and dial are both rated as grade 2, and the movement is rated as grade 2*. The dial is noted as signed, and the case bears the serial number 01.
Identification
- Reference
- 1790QTJ
- Serial number
- 01
- 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: Overhaul of the movement is recommended by the auction house
- Research required: Actual performance of the perpetual calendar mechanism is not verified