IWC Portugieser Siderale Scafusia – IW504101

Platinum case, Manual-winding, Diameter 46.0 mm, Black alligator leather strap, Strap width 22.0 mm.

case

• Platinum case
• Diameter 46.0 mm
• Height 17.6 mm
• See-through sapphire glass back
• Water resistance 3 bar

Movement

• 94900 Calibre
• IWC-manufactured movement
• Manual-winding
• 96 hours Power Reserve
• Frequency 18000.0 vph (2.5 hz)
• 56 Jewels
• Sandblasted, rhodium-plated

Features

• Tourbillon with integrated constant-force mechanism
• Perpetual Calendar with leap year display and absolute day of the year
• Power reserve display
• Celestial chart showing horizon
• Customized celestial chart
• Sunrise and sunset together with displays for day, night and twilight
• Ecliptic and celestial equator
• Sidereal time
• Sapphire glass, convex, antireflective coating on both sides

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