Important Collectors’ Wristwatches, P...

New York, Jun 14, 2006

LOT 33

?Spitfire? International Watch Co., Schaffhausen, "Sincere 'Spitfire' Perpetual Calendar,? Ref. 3757. Made in a limited edition of 50 examples with either black (25) or white (25) dial, for the 50th anniversary of Sincere Watch Limited in Singapore in 2004. Fine and rare, large, astronomic, self-winding, water-resistant, stainless steel aviator's wristwatch with round button chronograph, registers, secular perpetual calendar, moon phases and a stainless steel IWC buckle. Accompanied by a fitted box and a certificate.

C. Two-body, polished and brushed, soft iron core to provide an antimagnetic shield, concave lugs, screwed-down case back and winding crown, case back embossed ?Limited Edition?, crown with ?Sincere? logo, domed sapphire crystal. D. Black with applied steel Arabic numerals, subsidiary ?guilloché? dials for the seconds, the 12-hour and 30-minute registers, the days of the month, the week, apertures for the moon phases and for the year display with 4 digits until 2499. Luminous and skeletonized steel "lozenge" hands. M. Cal. 79261, gilt brass, 39 jewels, straight line lever escapement, monometallic balance, shockabsorber, self-compensating flat balance-spring. Dial, case and movement signed. Diam. 42 mm. Thickness: 16 mm.