IWC - IW5905-01

Big Pilot Constant-Force Tourbillon IWC Racing

Brand: IWC
Family: Big Pilot
Reference: IW5905-01
Name: Big Pilot Constant-Force Tourbillon IWC Racing
Produced: 2020
Limited: Yes, 15 units


Material: Ceratanium
Glass: Sapphire
Back: Closed
Shape: Round
Diameter: 46.00 mm
Height: 13.50 mm
Lug Width: 22.00 mm
W/R: 60.00 m


Color: Black
Finish: Sunburst
Indexes: Arabic Numerals
Hands: Alpha


The IWC Big Pilot Constant-Force Tourbillon IWC Racing reference IW5905-01 is a limited edition of 15 pieces introduced in 2020. This Big Pilot has a matte black case in 'Ceratanium', and a blacked-out version of the caliber 94800 movement.


IWC caliber 94800 IWC manufactured 94800 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:Minutes, Hours, Small Seconds
Additionals:Constant Force Mechanism, Tourbillon Escapement, Power Reserve Indicator

More watches using the IWC 94800 caliber