![Oscillating Weight/Rotor - Helvetia - Cal 837 - NOS-Welwyn Watch Parts](http://welwynwatchparts.co.uk/cdn/shop/products/IMG_9127_530x@2x.jpg?v=1668280635)
Oscillating Weight/Rotor - Helvetia - Cal 837 - NOS
Regular price
£34.95
Sale
Oscillating Weight/Rotor - Helvetia - Cal 837 - NOS
Condition - New old stock supplied loose in acid free paper.
Photo of actual item