IWC Portugieser Tourbillon Mystere Retrograde – IW504602

18 ct 5N gold case, Automatic, self-winding, Diameter 44.2 mm, Dark brown 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

• 51900 Calibre
• IWC-manufactured movement
• Automatic, self-winding
• 168 hours Power Reserve
• Frequency 19800.0 vph (2.75 hz)
• 368 Components
• 44 Jewels
• Côtes de Genève, perlage

Features

• Flying minute tourbillon
• 7 days power reserve
• Retrograde date display
• Power reserve display
• Sapphire glass, arched-edge, antireflective coating on both sides
• Pellaton automatic winding

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