Important Modern & Vintage Timepieces

Geneva, Nov 10, 2013

LOT 20

OMEGA SPEEDMASTER MARK IV STEEL Omega Speedmaster, Automatic, movement number 34684219, Ref. ST 176.009. Made in the late 1970s. Fine and rare, self-winding, water-resistant, tonneaushaped, 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.

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 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. Cal. 1045, copper-colored, 17 jewels, straight line lever escapement, monometallic balance, shock absorber, selfcompensating flat balance spring. Dial, case and movement signed.