Important Collectors' Wristwatches, P...

New York, Mar 10, 2010

LOT 152

IWC Ref. 3527 Titanium GST Deep One International Watch Co., Schaffhausen, ?GST Deep One,? case No. 2768834, Ref. 3527. Made circa 1999. Very fine and very rare, self-winding, water-resistant to 100 m, titanium diver's wristwatch with date, 3 crowns, depth gauge, length of dive indicator on a nylon strap. Accompanied by a fitted box, certificate, instruction booklet and depth gauge, titanium link bracelet, and 2 spare straps.

C. Two-body, brushed, screwed-down case back and crown, the crown at 2 adjusts the rotating inner bezel, the one at 4 resets, sapphire crystal. D. Black with luminous baton indexes, rotating ring for the diving time display with yellow 15-minute section, subsidiary seconds dial, aperture for the date. Luminous steel baton hands. M. Cal. 8914, rhodium-plated, fausses cotes decoration, 40 jewels, straight-line lever escapement, monometallic balance adjusted to 5 positions, shock absorber, self-compensating flat balance spring, micrometer regulator. Dial, case and movement signed. Diam. 43 mm. Thickness 15 mm.