- Case size: 42 mm.
- Case thickness: 13.6 mm.
- Bandwidth: 20 mm
- Water-resistant at 30 meters / 100 feet.
- Functions: chronograph, date, day of the week, hour, minute, second. Watch label: Swiss Made.
IWC Portofino Chronograph Automatic Silver Dial
IWC Portofino Chronograph Automatic Silver Dial Men's Watch IW391031.
Stainless steel case with a black (alligator) leather strap. Fixed stainless steel bezel. Silver dial with rose gold-tone hands and index hour markers. Roman numerals amrk the 6 and 12 o'clock positions. Minute markers around the outer rim. Dial Type: Analog. Day of the week and date display at the 3 o'clock position. Chronograph - three sub-dials displaying: 60 second, 30 minute and 12 hours. IWC calibre 75320 automatic movement with a 44-hour power reserve. Scratch resistant sapphire crystal. Pull / push crown.