IWC - IW5902-03

Portugieser Constant-Force Tourbillon Edition “150 Years” Platinum / Blue

Brand: IWC
Family: Portugieser
Reference: IW5902-03 (aka: IW590203)
Name: Portugieser Constant-Force Tourbillon Edition “150 Years” Platinum / Blue
Produced: 2018
Limited: Yes, 15 units


Material: Platinum
Glass: Sapphire
Back: Open
Shape: Round
Diameter: 46.00 mm
Height: 13.40 mm
W/R: 30.00 m


Color: Blue
Finish: Gloss
Indexes: Arabic Numerals
Hands: Feuille

Price in euro


The IWC Portugieser Constant-Force Tourbillon Edition “150 Years” reference IW5902-03 is a limited edition of 15 pieces created in celebration of the brand's 150th anniversary. It features a platinum case of 46mm, which houses the hand-wound caliber 94805 with constant-force tourbillon and moonphase indicator.


IWC manufactured 94805 calibre (94000-calibre family) is a hand-wound movement with a tourbillon escapement. A patented constant force mechanism is integrated into the tourbillon, ensuring a stable amplitude of the balance - visible through 1 second jumps of the tourbillon. After having run for 48 hours, the constant force mechanism is decoupled and the tourbillon will move in regular 1/5th of a second intervals. It furthermore features a day/night indication, double moonphase display and a 96 hour power reserve.

Reserve:96 h
Frequency:18000 bph
Time:Day / Night Indication, Minutes, Small Seconds
Additionals:Constant Force Mechanism, Tourbillon Escapement, Power Reserve Indicator

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