![Chime Drum 1161.050 (10751683535)](http://perrinwatchparts.com/cdn/shop/products/CP.0680-600_600x600.jpg?v=1595352261)
Chime Drum 1161.050 is a Hammer Roller Wheel specifically for Hermle Movement 1161.050. This is the older execution with a pinion diameter of 11.0 mm.
Chime Drum 1161.050 is a Hammer Roller Wheel specifically for Hermle Movement 1161.050. This is the older execution with a pinion diameter of 11.0 mm.