Hong Kong, Nov 25, 2022

LOT 58

EBERHARD & Co.
LARGE SINGLE-BUTTON CHRONOGRAPH, MINUTE COUNTER, SILVER DIAL, CALIBRE 1600 VALJOUX 65; STAYBRITE STAINLESS STEEL

HKD 23,900 - 47,700

EUR 3,100 - 6,100 / CHF 3,000 - 6,000 / USD 3,100 - 6,100

Staybrite stainless steel, manual-winding, round-shaped, large gentleman’s wristwatch, three-piece case, snap-on case-back, bevelled bezel, silver colour dial with suspended Roman numerals, subsidiary seconds at 9 and two horological complications:
· 1/5 chronograph (activated by the single rectangular-shaped push-piece located on the case-band at 2 o’clock) with tachometric scale graduated for 1 000 metres; the push-piece at 4 o’clock is fixed
· Half-instantaneous 30-minute counter (subsidiary dial at 3 o’clock)


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Grading System
Grade: AA

Very good

Case: 2-8

Very good

Slightly scratched

Movement: 2*

Very good

Overhaul recommended, at buyer's expense

Dial: 3-18-01

Good

Spotted

HANDS Original

Brand Eberhard & Co., La Chaux-de-Fonds

Year circa 1935

Movement No. 37 205

Case No. 1 016 150

Material Staybrite stainless steel

Bracelet black leather strap

Buckle stainless steel buckle

Diameter 39.3 mm. (bezel)

Caliber 1600,16’’’, lever escapement (based on Valjoux 65 by Reymond Frères, Les Bioux, Vallée de Joux)

Dimensions 46.2 x 39.3 mm.

Weight 50.7 gr. (approx.)

Signature dial, case and movement

Notes

Staybrite stainless steel

The mention “Acier Staybrite” is the trade name of an early stainless steel alloy conceived and patented by the Brown Firth Research Laboratories in Sheffield, United Kingdom of Great Britain.