IWC Portofino Steel Black Dial Chronograph Mens Watch IW391008 in great condition. Automatic self-winding chronograph movement. Stainless steel case 42 mm in diameter. Stainless steel smooth bezel. Scratch resistant sapphire crystal. Black dial with steel baton hour markers and roman numeral at 6 and 12. Leaf shaped hands. Minute markers around the outer rim. Date and day window at the 3 o'clock. Three chronograph sub-dials - 60 second, 30 minute and 12 hour. Military green strap with stainless steel tang buckle.
Stainless steel case ; Diameter 42.0 mm ; Height 13.6 mm ; Water resistance 3 bar
75320 Calibre ; Automatic, self-winding ; 44 hours Power Reserve ; Frequency 28800.0 vph (4.0 hz) ; 240 Components ; 25 Jewels
Chronograph function with hours, minutes and seconds ; Day and date display ; Sapphire glass, convex, antireflective coating on both sides ; Small hacking seconds ; Black dial