Product Description
URGOS SUSPENSION SPRING 1 3/4"L GRANDFATHER - LIGHT THICKNESS SPRING
For Urgos UW03 and UW66 movement series (rectangle 130mm x 230mm plates) with wooden stick pendulums (not lyre).
Plastic tipped suspension spring 1 3/4"L (overall) x 7/16"W. 32mm (1.26") from hole to inside hook, 11.5mm (.45") for small end height, and 6mm (.24") spring section. Spring thickness .05mm.
For the Urgos thicker spring thickness .1mm see:
https://griffensclocks.com/suspension-spring-1-3-4l-urgos-grandfather/
German made.
