Important Collectors' Wristwatches, P...

New York, Mar 05, 2009

LOT 75

Platinum Skeletonized Speedymoon Omega Speedmaster Professional,” No. 05/57, movement No. 77097501, Ref. AT 145.0058. Made in a limited edition of 57 pieces in 2005. Very fine and rare, astronomic, skeletonized, platinum wristwatch with round-button chronograph, 12-hour and 30-minute registers, date, moon phases, tachometer, and an 18K white gold Omega deployant clasp. Accompanied by the original fitted box, Certificate of Authenticity and guarantee (now void).

C. Three-body, solid, polished and brushed, lyre lugs, integral crown and pusher guard, screwed-down case back engraved: Speedmaster Professional –Platinum –Limited Series,” sap-phire crystals. D. Skeletonized, matte silver, with faceted blued steel baton indexes on an outer matte silver chapter ring with minute / seconds divisions, subsidiary chapter rings for the seconds, the 30-minute and 12-hour registers and the date with aperture for the moon phases, numbered 55/57 in red Arabic numerals at 12. Blued steel skeletonized baton hands. M. Cal. 3604, finely engraved skeletonized bridges, blued steel screws, rhodium-plated, brushed levers, 18 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 mm.