Omega. A fine and large stainless steel chronograph wristwatch with box

Omega. A fine and large stainless steel chronograph wristwatch with box
Signed Omega, ref. CK 987, movement no. 9'387'945, case no. 9'978'463, circa 1941
Cal 33.3 CHRO T1 mechanical movement, 17 jewels, white matte dial, applied gold baton numerals, two engine-turned subsidiary dials for constant seconds and 30 minutes register, circular snap on back, two oval chronograph buttons in the band, stainless steel Omega buckle, case, dial and movement signed
37.5 mm. diam.