Derby 33
Description
This is a beautiful old-style swiss movement with the old Inabloc shock protection type, which is pretty rare to find nowadays.
This movement is adjusted in three positions and is unmarked, but a fellow collector identified it.
Derby 33 dial side
Technical data
| Manufacturer: | Derby |
| Caliber: | 33 |
| Size: | 10 1/2''' |
| A/h: | 18000 |
| Number of jewels: | 15 |
| Escapement: | Pallet lever |
| Balance types: |
Nickel screw balance |
| Shock protection(s): |
Incabloc (old) |
| Balance bearing / direction hairspring: | Clockwise |
| Moveable stud: | no |
| Adjust mechanism: | Long regulator arm |
| Construction: |
|
| Winding mechanism: | yoke winding system |
| Setting lever spring: | 3 hole(s) |
| Features: |
|
| References: |
Flume: 1947 32 |
Usage gallery
Mobilia Preserval Incassable gents watch