Ronda Balance Staff Reference Data Spares Repairs Vintage Watch Information

Very useful reference manual for balance staff information and interchangeably.

Huge amount of watchmakers covered from AS to Zodiac, you get the Ronda staff number and compatibility information, including section giving exact balance staff dimensions.

The Ronda balance staff reference material on this USB memory stick is 174 pages and was produced originally in 1965 so obviously this covers vintage watches and nothing more modern.

Every watchmaker should have a copy of this reference material.  The manual is in PDF format.

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