OP III
hours, minutes, small seconds, date
ETA 7750 w/o Chrono module,
Evolution at I (2006): New movement decoration?
Label | Value |
---|---|
Model | OP III |
Winding | Automatic |
Basis | Valjoux 7750-P1 |
Producer | ETA |
Introduction | 1998 |
Dimension | 29,89 mm (13 1/4''') |
Frequency | 28.800 vph (4 Hz) |
Power Reserve | 42 h |
Jewels | 21 |
Height | 7,90 mm |