Portugieser Perpetual Calendar 44

18 ct Armor Gold® case, Automatic winding, Diameter 44.4 mm, Silver dial, Dark brown alligator leather strap by Santoni, Strap width 22.0 mm.

Case
18 ct Armor Gold® case
Diameter 44.4 mm
Height 14.9 mm
See-through sapphire glass back
Water resistance 5.0 bar

Movement
52616 Calibre
IWC-manufactured movement
Automatic winding
168 hours power reserve
Frequency 28'800 VPH (4 Hz)
385 Components
54 Jewels

Features
Small hacking seconds
Pellaton automatic winding
Power reserve display
Perpetual calendar with displays for the date, day, month, year in four digits and perpetual moon phase
7 days power reserve
Rotor in 18-carat 5N gold
Double box-glass sapphire crystals, antireflective coating on both sides

Reference
IW503701