Chronoswiss Lunar Chronograph Ref. CH 7521R
Record status
Individual type · partial
Period
circa 2000
This Chronoswiss Lunar Chronograph, reference CH 7521R, is an 18K pink gold self-winding wristwatch manufactured circa 2000. The watch features a three-body case characterized by polished and brushed surfaces, signature ribbed front and back bezels, straight lugs with gold-screwed bars, and a screwed-down transparent case back with sapphire crystals.
The guilloché silver dial includes painted Arabic numerals on a plain reserve, subsidiary dials for running seconds and chronograph registers, and an aperture for moon phases located at the 3 o'clock position. The perimeter features outer 1/5th seconds and date graduations, with time indicated by pink gold Breguet hands and a black arrow indicator for the date. It is powered by the rhodium-plated Caliber C 755 movement, which includes 25 jewels, a straight-line lever escapement, and a micrometer regulator.
The watch is completed with an 18K pink gold Chronoswiss buckle.
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
- Self-winding chronograph with moon phases
- Maker
- Chronoswiss
- Jewels
- 25
- Diameter
- 38 mm
- Movement
- Caliber C 755
- Reference
- CH 7521R
- Thickness
- 14 mm
- Case Material
- 18K pink gold
- Maker / attribution
- Chronoswiss
Design
- Visible features
- • Ribbed case bezels • Moon phase aperture at 3 o'clock • Black arrow hand for date display • Transparent case back showing movement
- Movement and Escapement
- The watch is powered by the self-winding Caliber C 755 movement. This rhodium-plated mechanism is decorated with fausses côtes and contains 25 jewels. The watch employs a straight-line lever escapement paired with a monometallic balance and a self-compensating flat balance spring. Additional technical features of the caliber include a shock absorber system and a micrometer regulator to facilitate timing adjustments. The movement is signed, and the case bears an individual numbering, as confirmed by the accompanying auction documentation.
- Condition and Attribution
- The provided documentation includes a grading system for the timepiece, assigning an overall grade of AA. The auction house reports the individual components, specifically the case, movement, and dial, as being in "As new" condition. The hands are noted as being original to the piece. The watch is attributed to a production date of circa 2000. All descriptive details regarding the construction and condition are based on the auction description, which also specifies the inclusion of an 18K pink gold Chronoswiss buckle.
- Case and Dial Construction
- The timepiece is housed in an 18K pink gold three-body case, featuring a combination of polished and brushed finishing. The design utilizes signature ribbed bezels on both the front and back, paired with straight lugs secured by gold screws. The watch is water-resistant and includes sapphire crystals on both the front and the screwed-down transparent case back. It displays subsidiary dials for seconds and chronograph registers, an aperture for moon phases at the 3 o'clock position, and outer scales for both 1/5th seconds and date graduations. The display is completed with pink gold Breguet hands and a dedicated black arrow hand for the date function.
Identification
- Reference
- CH 7521R
- 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: Serial number not specified in source text
- Research required: No specific country of manufacture identified in source