OMEGA Pocketwatch calibers

Listed calibers in alphabetic order:

• 17''' LOB, NN, Sav.

• 18''' LOB

• 19''' LOA, LOB, LOC, NN
  

• 37.5T1 (140)
  

• 37.6 Sav. (150)

• 38.5T1 (160)
  

• 39.1S T1

• 40.6

• 59.8 D (110, 120) 8 Days movement.