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Important Modern & Vintage Timepieces

Hong Kong, Jul 23, 2020

LOT 10

Pocket watch, minute-repeater; 18K pink gold

18K pink gold, hunting-case, keyless-winding, round-shaped, pocket watch, with subsidiary seconds at 6 and one horological complication:
• Minute-repeater on two steel gongs by two hammers (activated by the slide located on the case-band at 6 o’clock)
Cover and case-back polished.
20’’’, gilded brass, going barrel, straight-line lever escapement, cut bimetallic compensated balance with gold poising screws and blued steel hairspring with terminal curve, index regulator with swan-neck spring and micrometric screw; patented repeater work with silent centrifugal governor.

Brand Jaeger-LeCoultre, Le Sentier (Vallée de Joux)

Year circa 1900

Movement No. 10 628

Case No. 21 928

Caliber 20’’’, lever escapement

Dimensions Ø 53.6 mm.

Accessories copies of the invention patents

HKD 28,000 - 36,000

CHF 3,500 - 4,500 / USD 3,700 - 4,800

Grading System
Grade: AA

Very good

Case: 2

Very good

Movement: 2*

Very good

Overhaul recommended, at buyer's expense

Dial: 2-01

Very good

HANDS Original


Movement based on the Swiss invention patent No. 15 833, delivered on January 7, 1898, to Ditisheim & Cie, La Chaux-de-Fonds, for a “Frein-régulateur pour mécansime d’horlogerie”.