Product Description
URGOS SUSPENSION SPRING 1 3/4"L GRANDFATHER
Suspension spring .1mm thickness generally used for Urgos 03 and 66 series movements (rectangle 130mm x 230mm plates) with lyre pendulums.
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 .1mm.
If have an older Urgos UW03 or UW 66 series movement with a wood stick pendulum the spring thickness is lighter at .05mm (SKU SS-112B).
German made.
