IWC Portofino Hand-Wound Moon Phase – IW516403

18 ct 5N gold case, Manual-winding, Diameter 45.0 mm, Dark brown alligator leather strap by Santoni, Strap width 22.0 mm.

case

• 18 ct 5N gold case
• Diameter 45.0 mm
• Height 13.2 mm
• See-through sapphire glass back
• Water resistance 3 bar

Movement

• 59800 Calibre
• Manual-winding
• 192 hours Power Reserve
• Frequency 28800.0 vph (4.0 hz)
• 232 Components
• 30 Jewels

Features

• 8 days power reserve
• Moon phase display
• Power reserve display
• Date display
• Sapphire glass, arched-edge, antireflective coating on both sides
• Small hacking seconds

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