IWC PORTOFINO CHRONOGRAPH IW391027

FEATURES

• Small hacking seconds
• Sapphire glass, convex, antireflective coating on both sides
• Day and date display
• Chronograph function with hours, minutes and seconds

MOVEMENT

• 79320 Calibre
• Automatic, self-winding
• 44 hours Power Reserve
• Frequency 28'800 VPH (4 Hz)
• 240 Components
• 25 Jewels
• Côtes de Genève

CASE

• Stainless steel case
• Diameter 42.0 mm
• Height 13.6 mm
• Water resistance 3.0 bar