Longines 'Weems Navigation' Special Edition for Swiss Air
Record status
Individual type · partial
Period
1980s
Maker / issuer
LonginesThis Longines 'Weems Navigation' wristwatch, numbered 766, is a special edition timepiece produced for Swiss Air in the 1980s and sold in 1989. The watch features a stainless steel, three-body construction measuring 38 mm in diameter and 11 mm in thickness, characterized by polished surfaces, concave lugs, a rounded bezel, a ball-shaped winding crown, and a transparent case back with sapphire crystals.
The white enamel dial is printed with black Arabic numerals and includes a revolving matte silver central disc that facilitates a second time-zone display. Time is read via blued steel 'feuille' hands. It is powered by the rhodium-plated caliber L628.1 automatic movement, which contains 21 jewels and incorporates a lever escapement, monometallic balance, shock protection, a self-compensating flat balance spring, and a hack mechanism.
The dial, case, and movement are all signed by the manufacturer. The watch is presented with its original fitted box, setting instructions, and certificate.
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
- Aviator's wristwatch
- Maker
- Longines
- Diameter
- 38 mm
- Provenance
- Special edition for Swiss Air
- Case material
- Stainless steel
- Place recorded
- Switzerland
- Dial description
- White enamel with painted Arabic numerals and revolving matte silver center
- Movement caliber
- L628.1
- Movement features
- Automatic with hack mechanism
- Maker / attribution
- Longines
Design
- Visible features
- • White enamel dial with painted Arabic numerals • Revolving matte silver center for second time zone • Ball-shaped winding crown • Concave lugs
- Case and Dial Architecture
- The case of this watch is constructed from stainless steel and features a three-body design with a polished finish. Notable physical characteristics include the inclusion of concave lugs and a rounded bezel, paired with a distinctive ball-shaped winding crown. The watch utilizes a transparent case back, allowing a view of the internal mechanism, and is fitted with sapphire crystals on both sides. The dial is executed in white enamel, featuring painted Arabic numerals for hour markers. A key technical feature is the revolving matte silver dial located in the center, which allows the wearer to track a second time zone. The time is indicated by blued steel 'feuille' hands.
- Provenance and Documentation
- This timepiece was manufactured in the 1980s as a special edition exclusively for Swiss Air. The auction records confirm it was sold in 1989. The watch is accompanied by its original fitted box, setting instructions, and certificate. The condition of the watch is reported by the auction house using a grading system where the overall grade is A, with the case, dial, and movement receiving high ratings.
- Movement and Technical Specifications
- The watch is powered by the rhodium-plated caliber L628.1 automatic movement. This caliber incorporates 21 jewels and operates with a lever escapement. Additional features designed for chronometric function and accuracy include a monometallic balance and a self-compensating flat balance spring. The movement is protected against impact by a shock absorber system. Functionally, the movement includes a hack mechanism, which halts the seconds hand when the crown is pulled out, allowing for precise synchronization of the time. The dial, case, and movement are all signed by the maker.
Identification
- Reference
- 6285241
- Serial number
- 766
- 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 movement's precise mechanical state is not described beyond the provided grading
- Research required: The documentation authenticity relies entirely on the auction house report