Welta 645

 
Welta 645

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

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:
  • lever
  • escape wheel, seconds wheel, third wheel, center minute wheel
  • mainspring barrel
Construction type:solid construction
Winding mechanism:yoke winding system
Setting lever spring:2 hole(s)