IWC PORTUGIESER TOURBILLON RÉTROGRADE CHRONOGRAPH IW394006

FEATURES

• Rotor in 18-carat 5N gold
• Sapphire glass, arched-edge, antireflective coating on both sides
• Flyback function
• Hour and minute counters combined in a totalizer at 12 o’clock
• Chronograph function with hours, minutes and seconds
• Hacking tourbillon mechanism
• Flying minute tourbillon
• Retrograde date display
• Limited to 50 pieces

MOVEMENT

• 89900 Calibre
• IWC-manufactured movement
• Automatic, self-winding
• 68 hours Power Reserve
• Frequency 28'800 VPH (4 Hz)
• 375 Components
• 42 Jewels
• Côtes de Genève

CASE

• Platinum case
• Diameter 43.5 mm
• Height 15.9 mm
• See-through sapphire glass back
• Water resistance 3.0 bar