IWC Portugieser Constant-Force Tourbillon Double Moon Platinum / Black Ref. IW5901-04

The IWC Portugieser Constant-Force Tourbillon Double Moon Platinum / Black IW5901-04 has a 46 mm platinum case, measures 13.4 mm thick, and is water resistant to 30 metres.

The IWC Portugieser Constant-Force Tourbillon reference IW5901-04 was made in 2016 as a limited edition of 5 pieces. It features a Platinum case and a Black dial. Inside ticks the hand-wound caliber 94800.

Diameter: 46 mm
Thickness: 13.4 mm
Water resistance: 30 m
Case: Platinum
Released: 2016
Movement: IWC caliber 94800

Specifications

Case and dimensions

Case diameter: 46 mm
Thickness: 13.4 mm
Case shape: Round
Case material: Platinum
Crystal: Sapphire
Case back: Open
Water resistance: 30 m

Dial

Dial colour: Black
Finish: Sunburst
Indexes: Arabic Numerals
Hands: Feuille

Movement

Calibre: IWC caliber 94800
Movement maker: IWC
Movement type: Handwound
Display: Analog
Power reserve: 96 h
Frequency: 18000 vph
Jewels: 43
Complications: Constant Force Mechanism, Hours, Minutes, Moonphase, Power Reserve Indicator, Small Seconds and Tourbillon Escapement