Bell & Ross Sinn Chronograph with Lemania 5100 movement Service— Reassembled and testing
Post Service Tests and Notes
- Complete Service Performed
- All original, no cosmetic repair
- Replaced Crown and Crown Tube
- Regulated to +3-9 sec/day depending on position, amplitude 288 (lift angle 53 Deg.), Beat Error 0
- 52 Hour Reserve: CHECKING
- Date and Day advancing properly both at 12:00 midnight and quick set: PASSED
- Chronograph tested for 12 hours: PASSED
- Reset to zero Sweep Seconds hand, Minuter counter hand, Hour Counter Hand: PASSED
- Ran on winding machine for 5 days, automatic working properly
After cleaning and partial reassembly
