IWC Tourbillon Mechanical Watch
The IWC Portuguese Tourbillon Retrograde Date Chronograph IW394008 features a 43.5mm diameter, 15.9mm thickness, platinum case, 12 diamond hour markers, black dial, and a matching fabric strap. It is powered by the 89900 movement, a high-end member of IWC’s current four flagship in-house movement families—the 89000 flyback chronograph series (which integrates flyback chronograph, retrograde date, and flying minute tourbillon functions), with an 18K red gold rotor.
$1,585.00
Description
The IWC Portuguese Tourbillon Retrograde Date Chronograph IW394008 features a 43.5mm diameter, 15.9mm thickness, platinum case, 12 diamond hour markers, black dial, and a matching fabric strap. It is powered by the 89900 movement, a high-end member of IWC’s current four flagship in-house movement families—the 89000 flyback chronograph series (which integrates flyback chronograph, retrograde date, and flying minute tourbillon functions), with an 18K red gold rotor.

Bennett (verified owner) –
Asked about often! Unique style.Time good.Night light handy,but admire.Great.
Graciela (verified owner) –
Feels premium.Strap softened up nicely.
Lisa (verified owner) –
Dial detail astounding.Crisp.Build premium.Dependable.Flawless.Crown fine.Adore.
Gus (verified owner) –
Stiffness gone.Strap comfy now.
Dane (verified owner) –
Strap length just right after minor adjustment.Comfort is excellent.The weight feels reassuring and quality.It’s become my go to piece daily.No functional issues whatsoever.Very happy with this choice.
Edna (verified owner) –
Feels genuine bargain build design.Dial superb.Case robust.Basic box.Product outstanding.Thrilled.
Kristina (verified owner) –
Clasp works fine.Secure.
Reta (verified owner) –
Looks great.Feels quality.