Pendulum springs

Standard pendulum springs are replacement parts for home, table, wall, and grandfather clocks that ensure the pendulum swings precisely.

They consist of a narrow spring blade made of spring steel and two hangers that connect the pendulum to the movement. The spring strength and hole spacing of the fittings are crucial for the correct selection, as both dimensions must fit the movement and the pendulum hanger exactly. A correctly selected pendulum spring ensures stable running, uniform oscillation, and reliable timekeeping.

Pin spacing: 15.5 mm
Spring thickness: 0.10 mm
Pin length: 7.8 mm
Hole diameter: 2.0 mm
Dimensions (L x W): 25.0 x 12.0 mm

Fits for following caliber:
Hermle 461- / 471- suitable for pendulum with bob 220 / 270 mm

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