Omega Speedmaster Mark IV 176.009

Omega. A recently serviced stainless steel automatic calendar chronograph wristwatch

Omega. A recently serviced stainless steel automatic calendar chronograph wristwatch, Model: Speedmaster Mark IV, Reference: 176.009, Date: Circa 1973, Movement: 22-jewel Cal.1040 automatic, No.31645693, Dial: Black, luminous baton hour markers, white outer 1/5th second divisions, white inner Arabic five second markers, raised outer tachymeter scale, subsidiary dials at 6 and 9 for seconds, 12 hour recording and 24 hour indication, date aperture at 3, white pointed baton hands with luminous inserts, centre chronograph hand, further jet tipped hand for minute recording, Case: Brushed and polished tonneau form, screw down back, crown flanked by twin chronograph buttons, Strap/Bracelet: Black Omega leather, Buckle/Clasp: Signed steel buckle, Signed: Case, dial & movement, Size: 42mm, Accompaniments:, Service receipts dated 2024