Important Collectors’ Wristwatches, P...

Geneva, Nov 16, 2008

LOT 460

?Mark 4.5? Omega ?Speedmaster, Automatic?, Ref. ST 176.0012. Made in the late 1970?s. 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 braceletwith deployant clasp. Accompanied by a recent Omega box. 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 five minutes, outer minute/fifth 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) coppercolored, 17 jewels, straight line lever escapement, monometallic balance, shockabsorber, self-compensating flat balance spring, micrometer regulator. Dial, case and movement signed. Dim. 42 x 45 mm. Thickness 15mm. Approx overall length 170 mm.