Important Watches, Collector's Wristw...

The Ritz-carlton Hotel, Hong-kong, Jun 08, 2002

LOT 258

Contetout, Vers-Chez-Grosjean, Swiss, circa 1920.Fine and rare 18K gold keyless chronograph watch with patented 24-hour recorder.

HKD 12,500 - 20,000

EUR 1,800 - 3,000 / USD 1,600 - 2,600

Sold: HKD 48,300

C. Four-body, "bassine", polished, gold hinged cuvette. D. White enamel, Arabic numerals, outer minute/seconds divisions with five-minute Arabic figures, subsidiary sunk seconds, sub-dial at 12 o'clock for minute and hour recorders in a form of regular concentric minute and hour hands with Arabic 12-hour and 60-minute chapters. Blued steel "spade" hands. M. 41 mm. (18'''), rhodium plated, 21 jewels, straight line lever escapement, cut bimetallic compensation balance, Breguet balance spring, micrmetric "swan-neck" regulator, patented chronograph mechanism set on the back plate.Signed on dial and movement.Diam. 52 mm.


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Grading System
Grade: AAA

Excellent
Case: 3

Good
Movement: 3*

Good

Overhaul recommended, at buyer's expense
Dial: 2 - 01

Notes

On June 2, 1915, John Reymond filed for a patent for concentric minute and hour recorders. The design proved successful and Reymond sold a number of watches under the name "Contetout" between 1910 and the 1920's.