• Name: IWC Portofino IW391010 Luxury Watches
• Brand Name: IWC Watches
• Series: Portofino Watches
• Gender: Mens Watch
• Model Number: IWC IW391010
• Movement: Automatic Watch
• Dial Color: Black Dial
• Case Size: 42 mm
• Case Material:Stainless Steel Watch
• Band Material: Band
• Bezel Material: Bezel
• Case Shape: Scratch Resistant Sapphire Watch
• Water Resistant 30 meters / 100 feet
• Style: Luxury Watches
• Clasp Fold Over
• Functions: Chronograph, Day, Date, Hour, Minute, Second
• Features Chronograph, Stainless Steel
• Engine: 75320
• Case Thickness 13.5 mm

Stainless steel case with a stainless steel mesh bracelet. Fixed stainless steel bezel. Black dial with silver-tone hands and index and Roman numeral hour markers. Roman numerals mark the 6 and 12 o'clock positions. minute markers around the outer rim. Dial Type: Analog. Day and date display at the 3 o'clock position. Chronograph - three sub-dials displaying: 60 second, 30 minute and 12 hour. Automatic movement with a 44 hour power reserve. Scratch resistant sapphire crystal. Pull / push crown. Solid case back. Case diameter: 42 mm. Case thickness: 13.5 mm. Round case shape. Band width: 20 mm. Fold over clasp. Water resistant at 30 meters / 100 feet. Functions: chronograph, day, date, hour, minute, second. Luxury watch style. Watch label: Swiss Made. IWC Portfonio Chronograph Automatic Black Dial Steel Mens Watch IW391010.