Important Collector's Wristwatches, P...

New York, Sep 17, 2009

LOT 291

White Gold 25th Anniversary APOLLO XI Omega, ?Speedmaster Professional, Chronometer?, No. 498/500, movement No. 48311408, Ref. BC 348.0062. Made in a limited edition of 500 examples in 1994. Very fine and rare, asymmetric, 18K white gold wristwatch with round button chronograph, 12-hour and 30-minute registers, black bezel with tachometer. Accompanied by fitted box and certificate.

C. Three-body, solid, polished and brushed, lyre lugs, crown and pusher with integral guard, black bezel with tachometer graduated to 500 UPH, crown and pusher with integral guard, screw-down transparent back with sapphire crystal numbered and engraved: ?Speedmaster Professional ? Limited Edition.? D. Silver with applied silver and black baton indexes, sunk subsidiary dials for the seconds, the 12-hour and 30-minute registers, outer minute/seconds and 1/5th seconds divisions. Luminous steel baton hands. M. Cal. 864, rhodium-plated, 17 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring, micrometer regulator. Dial, case and movement signed. Diam. 42 mm. Thickness 14.5 mm. Approx. overall length: 180 mm.