IWC Portugieser Eternal Calendar 44.4mm
Reference: IW505701
The IWC Portugieser Eternal Calendar 44.4mm in silver and black is a calendar watch released under the Portugieser collection. In terms of construction this version features a 44.4mm and platinum case paired with a leather band and sapphire crystal. The movement is an automatic IWC reference 52640 based on the IWC 52010 movement. It has a power reserve of 168 hours and beats at a frequency of 28 800 beats per hour.
Essentials
Collection
Year launched
2024
Watch style
Crystal
Sapphire
Materials case
Platinum
Materials band
Leather
Water resistance
50 m
Visuals
Case shape
Round
Case diameter
44.4 mm
Case height
14.9 mm
Lug width
22 mm
Colors case
Silver
Colors dial
Silver
Colors band
Black
Movement
Caliber
IWC 52640
Base caliber
IWC 52010
Type
Automatic
Power reserve
168 hours
Frequency
28 800 bph /
4 Hz
No. of jewels
54
Complications
Features
Storage
Books
Tools
Clocks
Straps
Misc.Brand - IWC
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