IWC Portugieser Perpetual Calendar – IW503404

18 ct 5N gold case, Automatic, self-winding, Diameter 44.2 mm, Black alligator leather strap by Santoni, Strap width 22.0 mm.

case

• 18 ct 5N gold case
• Diameter 44.2 mm
• Height 14.9 mm
• See-through sapphire glass back
• Water resistance 3 bar

Movement

• 52615 Calibre
• Automatic, self-winding
• 168 hours Power Reserve
• Frequency 28800.0 vph (4.0 hz)
• 381 Components
• 54 Jewels

Features

• Perpetual calendar with displays for the date, day, month, year in four digits and perpetual moon phase for the northern and southern hemisphere
• 7 days power reserve
• Power reserve display
• Sapphire glass, arched-edge, antireflective coating on both sides
• Pellaton automatic winding
• Small hacking seconds

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