Important Modern & Vintage Timepieces

Monaco, Jul 21, 2021

LOT 41

Zenith for EFAP
8-day going Swiss post bus steering-wheel watch, silver dial; chromium-plated metal and painted metal

EUR 1,400 - 2,700

USD 1,700 - 3,300 / HKD 13,000 - 24,900

Sold: EUR 3,900

Chromium-plated metal, open-face, keyless-winding, round-shaped, watch incorporated in the painted metal steering-wheel of a Swiss post bus, with winding (anti clock-wise) and setting bezel; silver colour dial with luminescent suspended Arabic numerals, subsidiary seconds at 6 and one horological complication:
• 8-day power-reserve indication (aperture at 12 o’clock)

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Image Image

Grading System
Grade: AA

Very good

Case: 6-8

Slightly oxidized

Slightly scratched

Movement: 3*


Overhaul recommended, at buyer's expense

Dial: 3-8-01


Slightly scratched

HANDS Original

Brand Zenith, Le Locle

Model made for EFAP, Eigenheer Fabrique d’Appareils de Précision, Corcelles (Neuchatel)

Year circa 1940-1950

Case No. 26 518

Diameter 107.2 mm, 94.9 mm. (bezel), 55 cm. (steering-wheel)

Caliber lever escapement

Signature dial and movement


EFAP, Eigenheer Fabrique d’Appareils de Précision, Corcelles (Neuchâtel)
The Fabrique d’Appareils de Précision et compteurs (precision instruments and counters manufactory) Emile Eigenheer (EFAP) is located in Corcelles, near Neuchâtel, at 1, place de la Gare. Until the mid-1950s, it supplied automobile accessories, watches and other odometers, in particular clocks mounted on the steering-wheels of Swiss post buses; the movements were supplied by the Zenith factory in Le Locle. Its logo “EFAP” is a registered trademark in Switzerland.


*a 20% import VAT is due on the hammer price with buyer's premium, plus 150€ for termination of temporary export, at buyer's expense, only if it is delivered within the EU