Important Modern and Vintage Timepieces.

Geneva, Nov 13, 2010

LOT 512

Omega Speedmaster Broad Arrow Skeleton Platinum ? Grande Luxe Limited Edition Omega, ?Speedmaster Co-Axial Chronometer, Broad Arrow Skeleton Grande Luxe, Limited Series?, No. 4/21, case No. 10114981, Ref. AT 178.0024. Made in a limited edition of 21 pieces, in 2002. Extremely fine and equally rare, entirely skeletonized by Armin Strom, water-resistant, self-winding, platinum wristwatch with round button chronograph, registers, tachometer and an 18K white gold Omega deployant clasp. Certificate of Authenticity

C. Three-body, polished and brushed, transparent screweddown case back, tachometer graduation on the bezel to 300 UPH, lyre lugs, sapphire crystals. D. Skeletonized matte white gold with applied polished and facetted blued steel baton indexes, subsidiary ring dials for the seconds, 12-hour and 30-minute registers, outer minute/ seconds divisions. Blued steel skeleton broad arrow hands. M. Cal. 3221, hand-engraved, rhodium-plated, 37 jewels, straight-line lever escapement, monometallic balance, adjusted to 5 positions, shock-absorber, self-compensating flat balance spring, engraved and skeletonized rotor with the Speedmaster logo. Dial, case and movement signed, movement numbered 4/21. Diam. 42 mm. Thickness 14 mm.