Size (lignes): 8 3/4 "' x 9 3/4 "'
Jewels: 15
Year Introduced 1940
Mainspring Size in mm
1.18 x .105 x 247
Mainspring Interchangeability
430 431 435 440 335
Fingerprint
(Movement Shape and Keyless works parts)
Page in Repairer's Reference:
Style Numbers Used Per Year
Marking variants
Notes
Is the 15 Jewel non-Precision version of the 430 family of Veri-Thins consisting of 430, 431, 435. 440 shares many of the same parts.
