Important Modern & Vintage Timepieces

Hong Kong, Apr 28, 2019

LOT 415

UNSIGNED POCKET WATCH WITH FIVE HOROLOGICAL COMPLICATIONS, INCLUDING MINUTE-REPEATER AND LINEAR TRIPLE DATE, SO-CALLED "AMERICAN CALENDAR"; 18K YELLOW GOLD

18K yellow gold, open-face, keyless-winding, round-shaped, pocket watch, subsidiary seconds at 6 and five horological complications: â?¢ Minute-repeater on two steel gongs (activated by the slide at 3 o'clock) â?¢ Half-instantaneous calendar à guichets (with apertures), so-called Calendrier américain or Quantième en ligne (American Calendar or Linear Calendar) â?¢ Date of the month (aperture at 12 o'clock, in the centre) â?¢ Day of the week (aperture at 12 o'clock, on the left; indications given in French) â?¢ Month of the year (aperture at 12 o'clock, on the right; indications given in French)

Brand Unsigned

Year circa 1910-1920

Movement No. 7 728

Calibre  19''', gilded brass, straight-line lever escapement, compensated balance with gold poising screws and blued steel hairspring with terminal curve, index regulator with swan-neck spring and micrometric screw

Case No. 7 728

Material 18K yellow gold

Caliber 19''', gilded brass, straight-line lever escapement, compensated balance with gold poising screws and blued steel hairspring with terminal curve, index regulator with swan-neck spring and micrometric screw

Dimensions Ø 53 mm

HKD 48,000 - 63,000

CHF 6,000 - 8,000 / USD 6,100 - 8,150

Sold: HKD 56,250


Grading System
Grade: AAA

Excellent

Case: 3-23

Good

Later

Movement: 3*

Good

Overhaul recommended, at buyer's expense

Dial: 3-01

Good

HANDS Original