MST 477 
Ligne11.5'''

Remarks: This is an ETA calibre (ETA 2538) used in the Mustang range - due to the lack of an in-house Day/Date automatic. Superseded by the MST478 (also ETA) and then the in-house MST523 Calibre.
 
Production period: 1966-1970 (est)

Jewels: 23
Beat: 18000
Winding: automatic
Manufacturer: Other/Ebauche
Hand sizes:
  

Variant:
MST 477 11.5''' (26.6mm) quickset date, day

Common parts/Interchange
Watches in my collection with the MST477:

All text and images are either © Kris Bubendorfer 2011-15 or © Roamer Watch Company.