Important Collectors’ Wristwatches, P...

New York, Dec 05, 2007

LOT 50

Ingenieur Perpetual International Watch Co., Schaffhausen, "Ingenieur Perpetual", Ref. 3540. Made in the 1990s. Very fine, tonneau-shaped, astronomic, center seconds, selfwinding, water-resistant, 18K yellow gold wristwatch with perpetual calendar, moon phases and an 18K yellow gold IWC buckle. Shielded against magnetic disturbances of up to 1000 Oerstedt.

C. Three body, solid, polished and brushed, screwed-down case back, mobile lugs. D. White with applied yellow gold baton indexes and luminous dots, subsidiary dials for the days of the month, of the week, the months, apertures for the year and the moon phases. Luminous yellow gold baton hands. M. Cal. 37582, rhodium-plated, fausses côtes decoration, 36 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring. Dial, case and movement signed. Diam. 34 mm. Thickness 9 mm. Property of Various Owners