Rotary

Jewellery - Watches

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Year: 1954         Item #: 1464         Views: 3,785         Comments: No Comments.

Rotary

Important points to consider when you go to buy a watch - The Rotary Balance Assembly - The most vital part of any watch is the balance. The Rotary balance wheel revolves in specially shaped ruby bearings, designed to keep vital oil in base and to eliminate all unnecessary friction...