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
HKD 48,000 - 63,000
CHF 6,000 - 8,000 / USD 6,100 - 8,150
Sold: HKD 56,250
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)
| 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 |
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