OP XXV
hours, minutes, seconds, chronograph
Monometallic Glucydur balance, 18,000 vph, Incabloc anti-shock.
Label | Value |
---|---|
Model | OP XXV |
Winding | Manual |
Basis | Minerva 13-22 |
Producer | Minerva |
Introduction | 1923 |
Dimension | 29,89 mm (13 1/4''') |
Frequency | 18.000 vph (2,5 Hz) |
Power Reserve | 55 h |
Jewels | 22 |
Height | 6,40 mm |