Ecole d'Horlogerie World Time Desk Clock
Record status
Individual type · partial
Period
1973
This desk clock, created in 1973, is signed by N. Linder and the Ecole d'Horlogerie in Le Locle. Housed in a stainless steel four-body circular case, the clock measures 75 mm in diameter and features both polished and brushed finishes.
It is equipped with a hinged strut and a transparent back. The dial is matte silvered with applied steel baton indexes and steel baton hands, incorporating a subsidiary seconds dial and a sector for power-reserve indication. The world-time mechanism functions via an inner 24-hour ring for diurnal and nocturnal hours, combined with an outer revolving ring engraved with 68 world cities. Powering the device is a 22 ligne rhodium-plated movement, which boasts 17 jewels, a straight-line lever escapement, a monometallic balance with a self-compensating overcoil balance spring, and shock absorbers.
It is a 2-day going, keyless clock.
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
- 1973
- Type
- Desk clock
- Maker
- N. Linder, Ecole D'Horlogerie
- Jewels
- 17
- Diameter
- 75 mm
- Case material
- Stainless steel
- Power reserve
- 2-day
- Place recorded
- Switzerland
- Maker / attribution
- N. Linder
Design
- Case and Dial
- The clock is constructed with a four-body, circular stainless steel case measuring 75 mm in diameter. The exterior finish combines both polished and brushed surfaces. For display, the object features a hinged strut, allowing it to stand on a desk, and a transparent case back. The bezel serves a functional purpose, containing an inner ring displaying 24 hours to track diurnal and nocturnal cycles, alongside an outer ring that revolves and is engraved with the names of 68 different cities around the world. The dial is matte silvered and features applied steel baton-style indexes. It includes a subsidiary seconds dial positioned at the bottom, while a power-reserve indicator is located on a sector at the top. The time is indicated by steel baton hands. The auction house notes that both the dial and the movement are signed, and the hands are considered original. Evidence of the watchmaking school's involvement is reflected in the signature, while the world-time complication is designed to track global time zones.
- Visible features
- • The world-time bezel lists 68 international city names. • The power-reserve indicator is positioned at the top of the dial. • A hinged strut is visible on the rear for desktop positioning.
- Movement and Escapement
- The movement is a 22 ligne caliber, rhodium-plated and finished with fausses cotes decoration. The mechanism contains 17 jewels and utilizes a straight-line lever escapement. The escapement assembly includes a monometallic balance, a self-compensating alloy balance spring with an overcoil, and shock protection devices. The clock is designed as a keyless, 2-day going model. It features an index regulator for precision adjustments. The movement functions within the stainless steel housing and is paired with the world-time complication as specified in the cataloging notes.
- Provenance and Condition
- The object is identified as lot number 281. The auction description provides a grading system, evaluating the case as 'Good' (grade 3) and the dial as 'Very good' (grade 2-01). The movement is described as 'Very good' (grade 2*), though this is qualified by the recommendation for servicing. Documentation confirms the piece was made in 1973 and carries the serial number 10. The attribution is clearly linked to the Ecole d'Horlogerie in Le Locle and the individual maker N. Linder.
Identification
- Serial number
- 10
- 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 requires an overhaul as per the auction description.
- Research required: The specific association between N. Linder and the Ecole d'Horlogerie in the production process is stated but not detailed.