Important Collectors’ Wristwatches, P...

Geneva, Oct 04, 2009

LOT 260

Perpetual Calendar and Chronograph Theorein Kelek, ?Perpetuel?, case No. 99, Ref. 2100-02. Made in the 1990's. Fine, water resistant, self-winding, 18K yellow gold wristwatch, round button Chronograph, registers, perpetual calendar with leap year indication, moon and age of the moon and an 18K yellow gold Theorein buckle. Accompanied by fitted box, instruction booklet, additional leather bracelet and warranty.

C. Two-body, solid, polished, fluted lugs, stepped bezel, transparent screweddown case back. D. Silver with applied yellow gold baton indexes, luminous dots, subsidiary dials for the seconds and the date, 30-minute register with month and leap year indication, 12-hour register with the days of the week, aperture for the moon phases, outer minute/ seconds division. Luminous yellow gold baton hands. M. Cal. based on ETA 2892-2, rhodium-plated, oeil de perdrix and fausses cotes decoration, 37 jewels, straight line lever escapement, monometallic balance, adjusted, shock absorber, self-compensating flat balance spring, index regulator, hack mechanism. Dial, case and movement signed. Diam. 38 mm. Thickness 13 mm.