Only Online Auction

Hong Kong , Mar 20, 2024

LOT 99

UNSIGNED, CONTETOUT, JOHN REYMOND SPLIT-SECONDS CHRONOGRAPH, PATENTED CONCENTRIC 60-MINUTE AND 12-HOUR RECORDER, 18K YELLOW GOLD

HKD 5,000 - 10,000

EUR 600 - 1,200 / CHF 600 - 1,150 / USD 650 - 1,300

Sold: HKD 21,250

A 18k yellow gold open-face, keyless-winding, round-shaped, pocket watch, with subsidiary seconds at 6, 1/5 second chronograph, split seconds, dragging 60-minute recorder, concentric 12-hour recorder.


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Grading System
Grade: AA

Very good

Case: 3-8-17

Good

Slightly scratched

Slightly spotted

Movement: 3*

Good

Overhaul recommended, at buyer's expense

Dial: 3-01

Good

HANDS Original

Brand Unsigned

Model Contetout

Year Circa 1920

Movement No. 150

Case No. 177 904

Material 18K yellow gold

Diameter 50.2 mm

Caliber 18’’’ lever escapement

Signature dial, case and movement

Accessories Copies of the invention patent and advertisements

Notes

Movement based on the the Swiss invention patent No. 71 222, delivered on June 2, 1915, to John Reymond, Vers-chez-Grosjean, Le Sentier (Vallée de Joux), for a “Mécanisme compteur appliqué à une pièce d’horlogerie à chronographe (Recorder mechanism applied to a chronograph timepiece), known as double tour d’heure.