IWC GST Chronograph Ref. 3707
Record status
Individual type · partial
Period
circa 1998
This International Watch Co. GST Chronograph, reference 3707, is a self-winding wristwatch manufactured circa 1998. The watch is constructed with a three-body titanium case measuring 40 mm in diameter and 14 mm in thickness, featuring a screwed-down case back, matching winding crown, overhanging bezel, and sapphire crystal.
The black dial includes luminous baton indexes, luminous baton hands, three subsidiary dials for seconds, 12-hour, and 30-minute registers, an outer tachometer scale, and an aperture indicating the day of the week and date. It is powered by the rhodium-plated Caliber 7922 movement with 25 jewels. The watch is accompanied by an integrated titanium bracelet with a deployant clasp, original fitted box, setting pins, an extra link, and various booklets.
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 wristwatch
- Maker
- International Watch Co., Schaffhausen
- Crystal
- Sapphire
- Movement
- Cal. 7922
- Case Number
- 2750079
- Case Material
- Titanium
- Case diameter
- 40 mm
- Place recorded
- Switzerland
- Movement finish
- Rhodium plated
- Maker / attribution
- International Watch Co.
Design
- Movement Details
- The timepiece is driven by the Caliber 7922 automatic movement. This rhodium-plated caliber contains 25 jewels and utilizes a straight-line lever escapement. The construction incorporates a monometallic balance paired with a self-compensating flat balance spring and a shock absorber. Functionality includes a hack mechanism and an index regulator for timekeeping adjustments.
- Visible features
- • Integrated titanium bracelet with brushed finish • Day and date aperture positioned at the 3 o'clock mark • Round chronograph pushers located on the right side of the case
- Case and Dial Construction
- The watch is housed in a three-body titanium case, which incorporates a screwed-down case back and winding crown. The design features an overhanging bezel and is protected by a sapphire crystal. The case measures 40 mm in diameter with a thickness of 14 mm. The black dial is fitted with luminous baton-style hands and indexes. It includes a tachometer graduation on the outermost perimeter, alongside an outer minute and seconds division. Sub-dials occupy the positions for the seconds and the 12-hour and 30-minute chronograph registers. An aperture integrated into the dial displays the day of the week and the date.
- Signed Components and Accompaniments
- The manufacturer has signed the watch on the dial, the case, and the movement. It is presented on a titanium bracelet equipped with a deployant clasp. The approximate length of the piece is 185 mm, with an additional link included. In addition to the watch, the lot comprises several original items including a fitted box, two setting pins, and assorted booklets.
Identification
- Reference
- 3707
- Serial number
- 2750079
- 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: The provided guarantee document is noted as void by the auction house
- Research required: The auction house reports that a mechanical overhaul is recommended