Important Modern & Vintage Timepieces

Geneva, Nov 10, 2013

LOT 19

OMEGA REF. ST 176.0012 SPEEDMASTER MARK 4.5 STEEL Omega Speedmaster, Automatic, Ref. ST 176.0012. Made circa 1980. Fine, 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. Accompanied by a fitted box.

Two-body, brushed, screw-down case back with the embossed Seamaster logo, hooded lugs, tachometer scale graduated to 500UPH reverse-painted on the sapphire crystal. 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. Luminouswhite baton hands. Cal. 1045, copper-colored, 17 jewels, straight line lever escapement, monometallic balance, shock absorber, selfcompensating flat balance spring. Dial, case and movement signed. DIM. 42 x 45 mm.