Portofino Automatic Moon Phase 37 Stainless Steel / Silver

Ref. IW4590-13

The IWC Portofino Automatic Moon Phase 37 was introduced in 2014. It marked the return of the moonphase display to the Portofino collection, which had been absent since the discontinuation of the Vintage Collection Portofino. Reference IW4590-13 has a Stainless Steel case and a Silver dial.

Release year

2021

Case diameter

37 mm

Thickness

11 mm

Water resistance

30 m

Case material

Stainless Steel

Crystal

Sapphire

Dial

Silver

Movement

IWC caliber 35800

Movement type

Automatic

Display

Analog

Power reserve

42 h

Frequency

28800 vph

Jewels

25

Movement diameter

25.6 mm

Complications

Hours, Minutes, Moonphase, Seconds