The most complex watch made by IWC Schaffhausen is also a personalized astronomical instrument: the back of the watch shows the night sky as you see it from your own home.
Model: IW504101Collection: Portugieser Dial Color: BlackStrap Width: 22.0 mmMovement: AutomaticCaliber: 94900Jewel: 56Frequency: 18'000 VPHComponents: 385Case Material: Platinum Case Diameter (Mm): Platinum Case Height (Mm): 17.6Caseback: See-through sapphire glass backPower Reserve: 96 hoursWater Resistance: 3.0 bar
Sapphire glass, convex, antireflective coating on both sides
Sidereal time
Ecliptic and celestial equator
Sunrise and sunset together with displays for day, night and twilight
Customized celestial chart
Celestial chart showing horizon
All items are no return exchange or store credit only. Unless defective or otherwise not delivered as listed