Important Collectors’ Wristwatches, P...

Geneva, Oct 04, 2009

LOT 231

Defy Xtreme Titanium Chronograph Zenith, ?Defy Xtreme High Pressure Resistant Chronograph, 1000 M For Xtreme Condition Use, El Primero?, No. 68/100, Ref. 95.0527.4021. Made in a limited series of 100 examples circa 2007. Fine and rare, oversized, self-winding, high-pressure water-resistant, titanium wristwatch with round-button chronograph, registers, power reserve, and a titanium Zenith bracelet with concealed double deployant clap. Accompanied by fitted box and instruction booklet.

C. Three-body, graduated unidirectional revolving bezel with titanium star and baton markers, concave lugs, screweddown case back, screwed-down winding crown protected by a cage, screwed-down push buttons with carbon-fiber inserts, helium escape valve at 10 o clock, antireflective sapphire crystal. D. Two-tone silvered and black and partially skeletonized carbon-fiber center, outer minute divisions, alloy-wheel form subsidiary dials for the seconds and 30-minute register, power reserve in the lower half. Luminous skeletonized steel baton hands. M. Cal. 4000 SX, rhodium-plated, 31 jewels, straightline lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring, chronograph bridge and balance cock made from a special shock absorbing alloy (Zenithium), oscillating weight with carbon-fiber inserts. Dial, case and movement signed. Diam. 48 mm. Thickness 20 mm. Approx. overall length 195 mm.