Omega Speedmaster Professional Omega, 'Speedmaster Professional', No. 136/500, movement and case No. 48370146, Ref. ST 345.0818. Made in a limited edition of 500 examples for the Italian market in 1998. Fine and rare, asymmetric, water-resistant, stainless steel wristwatch with round button chronograph, 12-hour and 30-minute registers, black bezel with tachometer, transparent back and a stainless steel Omega bracelet with deployant clasp. Accompanied by the original fitted box, certificate, guar
Omega Speedmaster Professional Omega, ?Speedmaster Professional?, No. 136/500, movement and case No. 48370146, Ref. ST 345.0818. Made in a limited edition of 500 examples for the Italian market in 1998. Fine and rare, asymmetric, water-resistant, stainless steel wristwatch with round button chronograph, 12-hour and 30-minute registers, black bezel with tachometer, transparent back and a stainless steel Omega bracelet with deployant clasp. Accompanied by the original fitted box, certificate, guarantee and extra links., C. Three-body, solid, polished and brushed, lyre lugs, integral crown and pusher guard, black bezel with tachometer graduated to 500 UPH, screw-down transparent back numbered and engraved: ?Speedmaster Professional ? Limited Edition?. D. White with painted luminous baton indexes set in a black frame, subsidiary dials for the seconds, the 12-hour and 30-minute registers, outer minute and 1/5th seconds division. Luminous blackened baton hands. M. Cal. 1863, rhodium-plated, fausses-cotes decoration, l8 jewels, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring. Dial, case and movement signed. Diam. 42 mm. Thickness 14.3 mm. Approx overall length 190 mm.
