Nero Lemania 7510 8-Day Aircraft Cockpit Clock
Record status
Individual type · partial
Period
circa 1958
This military aircraft cockpit clock by Nero Lemania is housed in a powder-coated aluminium square instrument case with mounting holes. It features a matte black dial marked with bold white quarter Arabic numerals at 12, 3, 6, and 9, luminous sword-style hands, a central seconds hand, and an outer minute track.
Inscribed '8DAYS' and 'NERO LEMANIA', the timepiece is source-reported to be powered by a manual-wind 15-jewel Lemania caliber 7510 mechanical movement providing an 8-day power reserve. The seller reports military markings 6A/4339520 and 1830/58 on the reverse.
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
- Cockpit clock
- Jewels
- 15j
- Caliber
- Lemania 7510
- Power Reserve
- 8 days
- Place recorded
- Switzerland
- Movement Number
- 3231360
- Military Markings
- 6A/4339520 1830/58
- Maker / attribution
- Lemania
Design
- Visible features
- • Square black flange case with recessed circular bezel and visible mounting bushings at diagonal corners • Prominent cylindrical winding/setting knob situated at the lower left of the bezel • Matte black dial with painted white Arabic numerals at 12, 3, 6, and 9, triangle index at 12, and bold minute batons • Dial signed 'NERO LEMANIA' under 12, '8DAYS' above 6, and tiny 'SWISS MADE' along the lower edge • White sword-shaped hour and minute hands accompanied by a slender center seconds hand
- Construction and Exterior
- The timepiece is housed in a powder-coated aluminium case. The design features a recessed circular bezel and visible mounting bushings at the diagonal corners. The matte black dial includes painted white Arabic numerals at the 12, 3, 6, and 9 o'clock positions, with an outer minute track. It is signed 'NERO LEMANIA' below the 12 o'clock mark and '8DAYS' above the 6 o'clock mark, with 'SWISS MADE' at the lower edge. The hardware includes sword-style hour and minute hands alongside a central seconds hand.
- Military Markings and Documentation
- The reverse of the case bears the military markings '6A/4339520' and '1830/58'. The piece is dated by the source to circa 1958. The clock includes MoD Form 731 documentation. The seller reports that this form refers to the timepiece as 'ex bulldog', noting a potential association with the Scottish Aviation Bulldog aircraft fleet.
- Mechanism and Technical Specifications
- The clock utilizes a 15-jewel Lemania caliber 7510 mechanical movement with a manual-wind system. The movement is specified as an 8-day clock, requiring winding once per week. The movement is recorded with the serial number 3231360, and the inside of the case is marked 'INCA 1515903'.
Identification
- Reference
- 6A/4339520
- Serial number
- 3231360
- 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: Movement number 3231360 and caliber 7510 details are source-reported and not visible in the primary exterior image
- Research required: Case back military markings 6A/4339520 and 1830/58 are obscured from the front view
- Research required: Association with Scottish Aviation Bulldog aircraft rests on accompanying MoD Form 731 documentation reported by the seller