OC 1

 
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OC 1

Description

This movement shown here is a completely unknown (even to the literature) and simple pin lever movement, marked as “OC 1” or “OC Cal. R.1” inside. It has got no shock protection and only two jewels. And as you can see on the picture below, the hairspring regulator is bent in such a large “U” shape, that an effective regulation of absolutely impossible.

hairspring key

hairspring key

Technical data

Manufacturer:OC
Caliber:1
Number of jewels:2
Escapement:Pin lever
Shock protection(s): none
Balance bearing / direction hairspring:Counterclockwise
Moveable stud:no
Adjust mechanism:Hairspring key
Construction:
  • lever
  • escape wheel, seconds wheel, third wheel, large driving wheel, mainspring barrel
Functions:hour, minute
A/h:18000
Size:8 3/4'''

Usage gallery

ERC Super de Luxe ladies' watch

ERC Super de Luxe ladies' watch