.
IWC
Portofino Chronograph
IWC
IW391027
Share:
Details & Specifications
SPECIFICATIONS
| Movement | |
| Type | Automatic, self-winding |
| Calibre |
|
| Power Reserve (h) | 44 h |
| No. of Jewels | 25 |
| Frequency | 4 Hz (28,800 vph) |
| Case | |
| Case Material | Stainless steel case |
|
Case Diameter Case Thickness |
40 mm 9.2 mm |
| Water Resistance | 30 m / 100 feet |
| Bezel | Stainless steel |
| Crystal | Sapphire glass, convex, antireflective coating on both sides |
| Dial Colour |
|
| Dial Indicators | Indices |
| Strap | |
| Strap Material |
|
| Clasp | Pin-Buckle |
| Lug-width | 20 mm |