Hermle Hammer Return Spring 451, 471, 1151, 1161, 1171 for FHS Hermle clock movements 451, 471, 1151, 1161, 1171.851, 1171.890. Overall length of this spring (end to end) is 15.50 mm, with a coil diameter of 2.75 mm.
Hermle Hammer Return Spring 451, 471, 1151, 1161, 1171 for FHS Hermle clock movements 451, 471, 1151, 1161, 1171.851, 1171.890. Overall length of this spring (end to end) is 15.50 mm, with a coil diameter of 2.75 mm.