Important Modern & Vintage Timepieces

Hong Kong, Jul 23, 2020

LOT 350

Audemars Piguet
Ref. 25657, self-winding gentleman’s wristwatch, with perpetual calendar and moon phases; “Quantième Perpétuel Automatique”; 18K yellow gold

HKD 65,000 - 95,000

CHF 7,900 - 11,600 / USD 8,400 - 12,300

18K yellow gold, self-winding, round-shaped, gentleman’s wristwatch, with snap-on case-back and five horological complications:
• 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 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)


Grading System
Grade: AAA

Excellent

Case: 2-8

Very good

Slightly scratched

Movement: 2*

Very good

Overhaul recommended, at buyer's expense

Dial: 2-01

Very good

HANDS Original

Brand Audemars Piguet, Le Brassus (Vallée de Joux)

Model Quantième Perpétuel Automatique No. 3 901

Reference 25657 BA.OO.A002XX.01

Year circa 1990-2000

Movement No. 354 263

Case No. C 85 928 (by “CO”)

Bracelet black leather AP strap and 18K yellow gold AP buckle

Caliber 2120/2800, adjusted to heat, cold, isochronism and 5 positions

Dimensions Ø 36 mm.

Signature dial, case and movement

Accessories AP service box; Extract from the Archives