Important Collector's Watches, Pocket...

Geneva, Nov 11, 2007

LOT 234

Staybrite Split-Seconds Chronograph Eberhard & Co., La Chaux-de-Fonds, Switzerland, No. 19877, case No. 1000179. Made in the 1930s. Fine and rare, large, stainless steel ?Staybrite? wristwatch with olive and co-axial button split-second chronograph, registers and tachometer.

CHF 16,000 - 20,000

EUR 10,000 - 12,000 / USD 13,000 - 17,000

Sold: CHF 27,140

C. Three-body, solid, polished and brushed, stepped flat bezel, concave lugs, co-axial button in the crown for return-to-zero function. D. Brushed silver with painted baton indexes, outer minutes and fifths of a second divisions with Arabic five minute/seconds numerals, concentric tachometer graduation, subsidiary dials for the seconds, 30-minute and 12 hour registers. Blued steel baton hands. M. 16''', rhodium-plated, 19 jewels, straight-line lever escapement, monometallic balance, selfcompensating Breguet balance-spring, index regulator, the coaxial single button on the winding-crown for start-stop and return to zero functions of the split-second chronograph hand. Dial, case and movement signed. Diam. 40 mm. Thickness 15 mm. From ?The Collection?


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Grading System
Grade: AA

Very good
Case: 3

Good
Movement: 3*

Good

Overhaul recommended, at buyer's expense
Dial: 3-01

Good

HANDS Original

Notes

In 1935, Eberhard created the double chronograph (split-seconds) which could be stopped and restarted as desired, without necessarily returning to zero.