Omega Chronograph

Omega Chronograph  1961  caliber 320 , Alpha hands.

Omega caliber 320 movement, created in 1942 till 1968. From 1949 to 1968 called caliber 320.

Omega Chronograph Medical " Gradue pour 30 pulsations " 1945, caliber 27 CHRO T1 PC

Omega caliber 27 CHRO T1 PC, created in 1942 till 1968. From 1942 to 1949 called 27 CHRO T1

Differences between Omega caliber 320 year 1961 and Omega caliber 27 CHRO T1 PC year 1945

Omega Seamaster Chronograph 1972, caliber 1040 Automatic, first Chronograph Omega caliber

Omega caliber 1040, created in 1970 till 1978. First Omega Chronograph automatic movement, developed by Lemania.( Lemania 1340)

Omega Seamaster Chronograph 1971, caliber 1040 Automatic,

Louis Brandt work Desk

Omega Chronograph Pocket Watch 1916, caliber 18 " P  CHRO