Omega. A stainless steel manual wind chronograph wristwatch

Speedmaster, Ref: 145.012-67 SP, Circa 1967

Model: Speedmaster
Reference: 145.012-67 SP
Date: Circa 1967
Movement: 17-jewel Cal.321 manual wind, column wheel chronograph, No.26073166
Dial: Black, luminous baton hour markers, white outer 1/5th second divisions, subsidiary dials at 3, 6 and 9 for seconds, 30 minute and 12 hour recording, white pointed baton hands with luminous inserts, centre chronograph hand
Case: Brushed and polished tonneau form, screw down back, crown flanked by twin pushers
Strap/Bracelet: Black leather
Buckle/Clasp: Steel buckle
Signed: Case, dial & movement
Size: 42mm
Accompaniments: Omega box, Outer card