Omega OT 2872

Omega

Wristwatch with chronograph, gold 750, lever movement, caliber 320, movement number 15146502, around 1958, stop mechanism via ratchet wheel, monometallic balance wheel with screws, Breguet spiral, silver-colored dial, applied hour index, two auxiliary dials for 30-minute counter and small second, reference OT2872, case number 11479947, Diameter approx. 36 mm, 41.2 g