Data Omega 38,5 (160).
15 jewels, manual wind, hour, minute, sub second.
Size: 38,50 mm.
H: = 4,95 mm.
N: = 18.000 A/h.
Power reserve: 42 h.
Versions
38.5L 15/17P: 15/17 jewels, base caliber, 1932
38.5T1 15P: (160) 15 jewels, modifications, 1932
38.5T1 AM 15P: (161) 15 jewels, antimagnetic, 1953
38.5T1 17P: (162) 17 jewels, 1935