IWC Portofino Automatic Day & Night 37 Ref. IW4591-01

The IWC Portofino Automatic Day & Night 37 IW4591-01 has a 37 mm stainless steel case, measures 11 mm thick, and is water resistant to 30 metres.

The new Portofino Midsize Automatic Day & Night with 24-hour and day/night display and a second time zone combines discreet luxury with the suave urbanity of a new, mobile generation. The watch shines not only because it features a beautiful and practical complication, but also because of its diamonds and mother-of-pearl. The perfect watch for people who do business worldwide, for jet setters and night owls. Reference: IW459101

Diameter: 37 mm
Thickness: 11 mm
Water resistance: 30 m
Case: Stainless Steel
Movement: IWC caliber 35700

Specifications

Case and dimensions

Case diameter: 37 mm
Thickness: 11 mm
Case shape: Round
Case material: Stainless Steel
Bezel: Gem-Set
Crystal: Sapphire
Case back: Closed
Water resistance: 30 m

Dial

Dial colour: White
Dial material: Mother of Pearl
Indexes: Gem-Set Indexes
Hands: Feuille

Movement

Calibre: IWC caliber 35700
Movement maker: IWC
Movement type: Automatic
Display: Analog
Power reserve: 42 h
Frequency: 28800 vph
Jewels: 27
Movement diameter: 25.6 mm
Complications: Additional 24 Hour Hand (adjustable), Hours, Minutes and Seconds