IW504101
Platinum case, Manual-winding, Diameter 46.0 mm, Black dial , Black alligator leather strap, Strap width 22.0 mm.
Currently not available for delivery
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Perpetual calendar | IWC Schaffhausen
The perpetual calendar is one of the most fascinating haute horlogerie complications: It is mechanically programmed for 577 years.

Watch Details
- case
- Movement
- Features
Movement
- 94900 Calibre
- IWC-manufactured movement
- Manual-winding
- 96 hours Power Reserve
- Frequency 18'000 VPH (3 Hz)
- 56 Jewels
- Sand-blasted

Features
- 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
- Power reserve display
- Perpetual Calendar with leap year display and absolute day of the year
- Tourbillon with integrated constant-force mechanism
Care For Your Watch

Complete Service
It involves a full overhaul of the timepiece and is a complex, largely manual task that takes several hours.
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HOW-TO TIPS
Learn how to clean your watch, wind it and more in our six-part “How To…” video series.
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OFFICAL DOCUMENTS
IWC Schaffhausen
Exclusive Service

SHIPPING & DELIVERY
Standard: 5-7 business days*
30 days, Phone only, Exc. Custom items, Gifts over phone only, ret/exch. Shipping fees: IWC

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