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Important Modern & Vintage Timepieces

Hong Kong, April 28, 2019

LOT 414

B. POITEVIN POCKET WATCH WITH SEVEN HOROLOGICAL COMPLICATIONS, INCLUDING CHRONOGRAPH, PERPETUAL CALENDAR AND MOON PHASES; 18K YELLOW GOLD AND ENAMEL

18K yellow gold and enamel, hunting-case, keyless-winding, roundshaped, pocket watch, hinged case-back and cover, subsidiary seconds at 6 and seven horological complications: 1/5 second chronograph (activated by the rectangular push-piece located on the case-band at 12 o'clock) Half-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 French Month of the year (subsidiary dial at 12 o'clock; indications given in French) 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) Cover and case-back engraved in taille-douce (fine cut) with vermicelli motif. Cover enamelled, black, red and blue colour, with the cypher "J B U"; Cuvette engraved in taille-douce (fine cut) with the name "J. B. Unànue"; who was Jose B. Unànue, a Peruvian physician.

Brand Bernard Poitevin

Year circa 1870-1880

Movement No. 29 407

Calibre  20''' rhodium-plated, with going barrel, gold train of wheels, straight-line equilibrated lever escapement, compensated balance and Palladium hairspring with terminal curve

Case No. 35 679

Material 18K yellow gold and enamel

Caliber 20''' rhodium-plated, with going barrel, gold train of wheels, straight-line equilibrated lever escapement, compensated balance and Palladium hairspring with terminal curve

Dimensions Ø 55.5 mm.

Signature dial, case and movement

HKD 56,000 - 72,000

CHF 7,000 - 9,000 / USD 7,200 - 9,250

Sold: HKD 68,750


Grading System
Grade: AAA

Excellent

Case: 3-71-01

Good

ENAMEL AND VARIOUS TYPES OF DECORATION Hairlines

Movement: 3*

Good

Overhaul recommended, at buyer's expense

Dial: 3-71-01

Good

ENAMEL AND VARIOUS TYPES OF DECORATION Hairlines

HANDS Original


Notes

Bernard Poitevin, Paris and Geneva Bernard Poitevin was a renowned watch- and chronometer maker in Paris, who was active from circa 1850 to circa 1890. He produced high quality watches with horological complications, such as striking mechanisms, chronographs and chronometers, some of them received a Bulletin de Marche of 1st class from the astronomical observatory of Geneva. His successor, from 1880, was Rizzoli-Dechamps.