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 on the left, the hairspring regulator is bent in such a large "U"
shape, that an effective regulation of absolutely impossible.
Technical data
| Manufacturer | OC |
| Caliber | 1 |
| Number of jewels | 2 |
| Escapement | pin lever |
| Balance | Nickel |
| Shock protection(s) | none |
| Balance cock direction | counterclockwise |
| Hairspring stud | fixed |
| Regulator type | Hairspring key |
| Movement construction | Fork
Escapement wheel, Fourth wheel, Third wheel, Large driving wheel, Mainspring barrel |
| Functions | Hour, minute |
| Beats per hour | 18000 |
| Size | 83/4''' |
|
| Factsheet |
Usage gallery
 |
| E.R.C. Super de Luxe |
|
