Cintree Curvex Perpetual Calendar 7850 QPE is an automatic mechanical using the Franck Muller 2800 caliber which is modified from FM base with QP Dubios Depraz module. It has power reserve of 42hours and consists of 25 jewels. Its caliber diameter is 26.20mm and thickness of 5.35mm. It comes with flat balance-spring with eccentric screw regulator.
It uses Incabloc shock-absorber system that is beveled and decorated with Cotes de Geneve as well as circular graining patterns accompanied by blued steel screws. The functions include hour, minute and minute repeater. The perpetual calendar displays date, day, month, year and moonphase.
This two-piece tonneau shaped 18K white-gold case has a size of 41.5 x 35mm and thickness of 11.5mm. It uses curved sapphire crystal and matching metal crown. There are 4 correctors in the middle and its back is fastened by 4 screws.
It is water resistant to 3atm (30m). The strap comes in hand-stitched crocodile leather and is completed with a white gold clasp.
The black flinque dial is curved with silvered subdials decorated with circular beads. Besides the luminescent Arabic numerals and printed minute track, this piece has Stuart hands in blued steel. It is also available in silvered dial with black printed Arabic numerals.
Indications include day and 24-hours at 3, the month with retrograde hand at 6, the four-year cycle at 8, the date at 9, and finally the moonphase at 12. Other versions include yellow gold, pink gold, red gold, or platinum with leather strap or bracelet.
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