IWC Portugieser Perpetual Calendar Digital Date-Month Edition "75th Anniversary" Platinum Ref. IW3972-01

The IWC Portugieser Perpetual Calendar Digital Date-Month Edition "75th Anniversary" Platinum IW3972-01 has a 45 mm platinum case, measures 16.5 mm thick, and is water resistant to 30 metres.

The Portugieser Perpetual Calendar Digital Date-Month Edition "75th Anniversary" is one of IWC's most outstanding technological advances. The Portugieser (Portuguese) watch family now includes a model featuring a digital display for the date and month. Features include the perpetual calendar, digital large date display, leap year display, chronograph with flyback functions and the 89801 calibre with its efficient double-pawl winding mechanism and quick-action switch. The platinum digital perpetual calendar is limited to 25 pieces.

Diameter: 45 mm
Thickness: 16.5 mm
Water resistance: 30 m
Case: Platinum
Released: 2015
Movement: IWC caliber 89801

Specifications

Case and dimensions

Case diameter: 45 mm
Thickness: 16.5 mm
Lug width: 22 mm
Case shape: Round
Case material: Platinum
Crystal: Sapphire
Case back: Open
Water resistance: 30 m

Dial

Dial colour: Silver
Dial material: Silver plated
Indexes: Arabic Numerals
Hands: Feuille

Movement

Calibre: IWC caliber 89801
Movement maker: IWC
Movement type: Automatic
Display: Analog
Power reserve: 68 h
Frequency: 28800 vph
Jewels: 51
Movement diameter: 30 mm
Complications: Big Date, Chronograph, Date, Flyback, Hours, Leap Year, Minutes, Month, Perpetual Calendar and Small Seconds