Longines Flyback Chronograph Reference 5681
Record status
Individual type · partial
Period
circa 1950
Maker / issuer
LonginesThis Longines flyback chronograph, identified as reference 5681 and dating to circa 1950, is a manual-wind wristwatch housed in a stainless steel, two-body case.
The timepiece features polished and brushed finishes with concave lugs. Its silvered, brushed dial includes luminous Arabic numerals, an outer minute track, and an outermost fifths-of-a-second scale, complemented by a subsidiary seconds register. The watch is powered by the Longines caliber 12.68Z, a 15-ligne, rhodium-plated movement featuring 17 jewels, a straight-line lever escapement, and a monometallic balance with shock absorber.
The auction description notes that the movement is rhodium-plated with fausses cotes decoration and is regulated by an index regulator. The watch is presented on a strap, and the auction house reports that the dial has been reprinted and the hands have been partially replaced.
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 1950
- Type
- Flyback chronograph wristwatch
- Maker
- Longines
- Jewels
- 17
- Caliber
- 12.68Z
- Reference
- 5681
- Case Material
- Stainless steel
- Case diameter
- circa 37mm
- Place recorded
- Switzerland
- Maker / attribution
- Longines
- Movement Serial Number
- 7417978
Design
- Case and Dial
- The watch is constructed as a two-body case with a diameter of approximately 37mm. The stainless steel exterior exhibits both polished and brushed surfaces, with distinct concave lugs. The case back is of the snap-on variety and is numbered. The dial is silvered and brushed, displaying luminous Arabic numerals. It incorporates an outer minute track and an outermost fifths-of-a-second scale. A subsidiary seconds dial is positioned for constant seconds, and the watch features luminous baton hands alongside a central minute register hand.
- Visible features
- • Concave case lugs • Luminous Arabic numerals on dial • Single pusher configuration for chronograph • Subsidiary seconds dial at the bottom of the main dial
- Movement and Escapement
- The timepiece is powered by the manual-wind Longines caliber 12.68Z. This 15-ligne movement is finished with rhodium plating and fausses cotes decoration. It is equipped with 17 jewels and a straight-line lever escapement. Technical features of the movement include a monometallic balance with a shock absorber. The escapement is controlled by a self-compensating Breguet balance spring and an index regulator for timing adjustments.
- Condition and Authenticity
- The auction description provides a grade of AA, indicating a very good condition for the case and movement. The movement number is listed as 7417978. Regarding the dial and hands, the auction documentation states that the dial is reprinted. Additionally, the hands are noted to be partially replaced, and both elements show signs of patina and spotting.
Identification
- Reference
- 5681
- Serial number
- 7417978
- 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 auction description reports the dial is reprinted
- Research required: The auction description reports the hands are partially replaced
- Research required: The auction description recommends an overhaul for the movement