Omega. A stainless steel manual wind chronograph wristwatch
Model: Speedmaster Professional
Reference: 145.0222/345.0222
Date: Circa 1976
Movement: 18-jewel rose gilt Cal.861 manual wind, No.39921374
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, inner cap, signed crown flanked by twin pushers, tachymetre to bezel with black insert
Strap/Bracelet: Green leather
Buckle/Clasp: Steel buckle
Signed: Case, dial & movement
Size: 42mm