Important Modern & Vintage Timepieces
Hong Kong, Apr 28, 2019
NON-MAGNETIC WATCH CO. OF AMERICA NON-MAGNETIC POCKET WATCH WITH EIGHT HOROLOGICAL COMPLICATIONS, INCLUDING MINUTE-REPEATER, CHRONOGRAPH, PERPETUAL CALENDAR WITH PHASES OF THE MOON, POSSIBLY MADE ON A PATEK PHILIPPE EBAUCHE; 18K YELLOW GOLD
18K yellow gold, open-hunting-case, keyless-winding, round-shaped, pocket watch, hinged case-back and cover, subsidiary seconds at 6 and eight horological complications: - Minute-repeater on two steel gongs (activated by the slide at 6 o'clock) - 1/5 second chronograph (activated by the rectangular push-piece located on the case-band at 12 o'clock) - Instantaneous perpetual calendar - Date of the month (subsidiary dial at 3 o'clock) - Day of the week (subsidiary dial at 9 o'clock; indications given in English) - Month of the year (subsidiary dial at 12 o'clock; indications given in English) - Age and phases of the moon (subsidiary dial, graduated from 0 to 29 1/2, and aperture at 6 o'clock) - Four-year cycle of leap-years (subsidiary dial at 12 o'clock)
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 Non-Magnetic Watch Co. of America
Year circa 1887-1895
Movement No. 6 735
Calibre 21''' (ebauche possibly from Patek, Philippe & Co., Geneva) rhodium-plated, with going barrel, gold nonmagnetic straight-line equilibrated lever escapement, compensated balance and blued steel hairspring with terminal curve, index regulator with swan-neck spring and micrometric screw
Case No. 6 735
Material 18K yellow gold
Caliber 21''' (ebauche possibly from Patek, Philippe & Co., Geneva) rhodium-plated, with going barrel, gold nonmagnetic straight-line equilibrated lever escapement, compensated balance and blued steel hairspring with terminal curve, index regulator with swan-neck spring and micrometric screw
Dimensions Ø 58 mm.
Signature dial, case and movement