OP XXVIII
hours, minutes, small seconds, chronograph
Two register chronograph, COSC Certified
| Label | Value |
|---|---|
| Model | OP XXVIII |
| Winding | Manual |
| Basis | Minerva 13-20 |
| Producer | Minerva |
| Introduction | 2008 |
| Dimension | 29,89 mm (13 1/4''') |
| Frequency | 18.000 vph (2,5 Hz) |
| Power Reserve | 42 h |
| Jewels | 18 (17) |
| Height | 6,40 mm |
(Image source: Panerai.com)