Portugieser Perpetual Calendar 44 IW503704

18 ct white gold case, Automatic, self-winding, Diameter 44.4 mm, Black leather strap by Santoni, Strap width 22.0 mm.

CASE

18 ct white gold case

Diameter 44.4 mm

Height 14.9 mm

See-through sapphire glass back

Water resistance 5.0 bar

MOVEMENT

52616 Calibre

Automatic, self-winding

168 hours Power Reserve

Frequency 28’800 VPH (4 Hz)

385 Components

54 Jewels

FEATURES

7 days power reserve

Perpetual calendar with displays for the date, day, month, year in four digits and perpetual moon phase

Rotor in 18-carat 5N gold

Small hacking seconds

Pellaton automatic winding

Power reserve display

Double box-glass sapphire crystals, antireflective coating on both sides