- Bergeon - Made in Switzerland
- Model: 6740
- Multi-purpose gauge
- Measures
- Measure thread size of watch stems (TAP)
- Measure the thread size of watch crowns (TAP)
- Measure diameter size of crown tubes
- Measure diameter size of watch crowns
- Measure the lug size of watch cases
- Product Size: 85 x 85 x 85 x 1 mm
The Bergeon 6740 is a very handy tool to measure watch crowns, stems, tubes, and watch case lug sizes