Important Modern and Vintage Timepieces

Geneva, Mar 11, 2012

LOT 9

OMEGA SPEEDMASTER MARK 4.5 STEEL Omega ?Speedmaster, Automatic?, Ref. ST 176.0012. Made in the late 1970s. Fine and rare self-winding, water-resistant, tonneau-shaped, stainless steel wristwatch with day, date, round button chronograph, 12-hour register, central minute recorder, tachometer, the 24 hours with night/day indication, and a stainless steel Omega bracelet with deployant clasp. To be sold without reserve

C. Two-body, (patent CH 508.925) brushed, screw-down case back with the embossed ?Seamaster? logo, hooded lugs, tachometer scale graduated to 500UPH reverse-painted on the sapphire crystal. D. Black with luminous baton indexes, inner Arabic fi ve minutes, outer minute/fi fth second scale, subsidiary dials for the seconds and the 12-hour register, the 24 hours with night/ day indication by means of an arrow on a revolving disc, 60-minute register by means of a central white ?jet? hand, apertures for the day and date. Luminous white ?baton? hands. M. Cal. 1045, (patent CH 508.831) copper-colored, 17 jewels, straightline lever escapement, monometallic balance, shockabsorber, self-compensating fl at balance spring, micrometer regulator. Dial, case and movement signed. Dim. 42 x 45 mm. Thickness 15.5mm. Approx overall length 180 mm.