Important Modern & Vintage Timepieces.

Hong Kong, December 12, 2018

LOT 65

ROGER DUBUIS "WINDOW PERPETUAL CALENDAR"

18K white gold, self-winding, round-shaped, gentleman's wristwatch, water-resistant with sapphire-crystal screwed case-back, centre-seconds and six horological complications: - Instantaneous perpetual calendar - Date of the month (subsidiary dial between 4 and 5 o'clock) - Day of the week (aperture at 12 o'clock; indications given in French) - Month of the year (aperture at 12 o'clock; indications given in French) - Four-year cycle of leap-years (aperture between 2 and 3 o'clock) - Age and phases of the moon (subsidiary dial, graduated from 0 to 29 1/2, and aperture between 7 and 8 o'clock)

Brand Roger Dubuis

Model "Window Perpetual Calendar"; No. 27

Reference Ref. H37 5739

Year circa 1995

Movement No. 27

Bracelet black crocodile leather Roger Dubois strap, with 18K white gold Roger Dubuis deployant clasp

Caliber RD 5739, double barrel, Geneva Quality Hall Mark and Observatory Certification, with stainless steel and 18K pink gold rotor

Dimensions Ø37 mm.

Signature dial, case and movement

Accessories original fitted box, instruction booklet

HKD 80,000 - 120,000

USD 10,000 - 15,000 / EUR 90,000 - 13,000
Grading System
Grade: AAA

Excellent

Case: 2

Very good

Movement: 1*

As new

Overhaul recommended, at buyer's expense

Dial: 1-01

As new

HANDS Original


Notes

Provenance Antiquorum, Geneva, November 8, 2014, lot 332, for the amount of CHF 13 750.-