Important Modern & Vintage Timepieces

Geneva, Nov 10, 2013

LOT 18

OMEGA, SO-CALLED "BULLHEAD" Omega, "Seamaster", Ref. ST 146.011. Made circa 1970. Very rare, fine and unusual, water-resistant, asymmetric, stainless steel wristwatch with round-button chronograph, date, 30-minute register, inner revolving bezel and a stainless steel Omega buckle.

Two-body, massive, shield-shaped, brushed and polished, rounded corners, crown at 6 to adjust the inner revolving bezel graduated for decompression timing, winding crown and chronograph pushers at 12, screw-down back. Brown with luminous square indexes, outer five minute and 1/5 second timing scale, outermost revolving bezel with Arabic five minutes, subsidiary seconds, three color 30-minute register, and date aperture. Luminous white "baton" hands, orange hands for the chronograph. Cal. 930, copper colored, 17 jewels, straight-line lever escapement, monometallic balance, shock absorber, self compensating fl at balance spring. Dial, case and movement signed.