ORA OC 1

 
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ORA OC 1

Description

This movement shown here is a simple pin lever movement, marked as “OC 1” or “OC Cal. R.1” inside. It was made in Italy and 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.

ORA OC 1: hairspring key

hairspring key

Technical data

Manufacturer:ORA
Caliber:OC 1
Size:8 3/4'''
A/h:18000
Number of jewels:2
Escapement:Pin lever
Balance types: Nickel anular balance
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

Usage gallery

ORA OC 1: ERC Super de Luxe ladies' watch

ERC Super de Luxe ladies' watch