OMEGA REF. 2639, '50S
Two body tonneau staybrite steel case, n. 2639-12, sloped bezel, concave and sloped lugs, screw back with inscription. Not original strap and buckle.
Signed dial with patina, luminescent Arabic numerals, minutes division, seconds subdial with concentric engravings. Luminescent and blued index hands.
Signed manual winding movement, copper-plated caliber 266, n. 13480069, 17 jewels, lever escapement, monometallic balance with screws, blued Breguet hairspring, Incabloc shock-absorber.
Diameter Ø: 36 mm
Note: working.