IWC PORTUGIESER HAND-WOUND TOURBILLON

FEATURES

• Sapphire glass, convex, antireflective coating on both sides
• Hacking tourbillon mechanism

MOVEMENT

• 81905 Calibre
• IWC-manufactured movement
• Manual-winding
• 84 hours Power Reserve
• Frequency 28'800 VPH (4 Hz)
• 159 Components
• 20 Jewels
• Ctes de Genève

CASE

• 18 ct Armor Gold case
• Diameter 42.4 mm
• Height 10.8 mm
• See-through sapphire glass back
• Water resistance 6.0 bar