Portugieser Perpetual Calendar 44 IW503701

18 ct Armor Gold® case, Automatic, self-winding, Diameter 44.4 mm, Dark brown 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, self-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