Welta 645
Description
This movement with its characteristic elliptical shape (6 1/2 x 11 lines) is marked “Welta SWISS”, has got “16 JEWELS 2 ADJTS”. On the dial side, the number sequence “560” is embossed.
Welta 645: Dial side
The identification of this movement was very difficult, since it was only listed in the 1946 Swartchild catalogue.
Thank you very much to JackDaniels83 from the german Uhrforum, who was able to solve the mystery.
Technical data
| Manufacturer: | Welta |
| Caliber: | 645 |
| Size: | 6 1/2 x 11''' (measured: 14,6 x 25,0mm) |
| A/h: | 18000 |
| Number of jewels: | 16 |
| Escapement: | Pallet lever |
| Balance types: |
Nickel screw balance |
| Shock protection(s): |
none |
| Balance bearing / direction hairspring: | Clockwise |
| Moveable stud: | no |
| Adjust mechanism: | Long regulator arm |
| Construction: |
|
| Construction type: | solid construction |
| Winding mechanism: | yoke winding system |
| Setting lever spring: | 2 hole(s) |