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evidence: brand disclosure
Tolerances for this caliber at this grade
- Measured
- bench uncased
- Positions adjusted
- 5
- Positions
- CH, FH, 6H, 9H, 3H
- Mean rate, centre
- 4 s/d
- Mean rate, tolerance
- ± 4 s/d
- Max divergence
- 15 s/d
- Isochronism
- 10 s/d
- Beat error, max
- 0.6 ms
- Amplitude, min
- 200°
- Amplitude, max
- 315°
- Power reserve, min
- 50 h
- Power reserve, typical
- 56 h
- Lift angle
- 51°
- Sampling
- lot 95pct
These figures belong to this caliber at this grade, and to nothing else. The same grade name on another caliber from the same maker carries different numbers.
Components changed at this grade
- balance staff → Epilamé Epilamisiert Epilame-coated
- balance wheel → Doré Vergoldet Gilt
- collet → Nivatronic
- escape wheel treatment → Polie, épilamée, MoS2 Poliert, epilamisiert, MoS2 Polished, epilame-coated, MoS2
- pallet fork → Polie Poliert Polished
- shock absorber → Incabloc
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