IWC - IW4594-03 Portofino Automatic Moonphase Red Gold / Silver
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Brand: | IWC |
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Family: | Portofino |
Reference: | IW4594-03 (aka: IW459403) |
Name: | Portofino Automatic Moonphase Red Gold / Silver |
Movement: |
IWC caliber 35800
Hours, Minutes, Seconds | Moonphase
|
Produced: | 2025 |
Limited: | No |
Case
Material: | Red Gold |
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Glass: | Sapphire |
Back: | Closed |
Shape: | Round |
Diameter: | 40.00 mm |
Height: | 9.50 mm |
Lug Width: | 20.00 mm |
W/R: | 30.00 m |
Dial
Color: | Silver |
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Indexes: | Stick / Dot |
Hands: | Feuille |

Price in euro
IWC IW4594-03 description
The IWC Portofino Automatic Moon Phase IW4594-03 debuted in 2025. This model features a 40 mm case in 18k red gold, fitted with a sapphire crystal and a solid caseback. Water resistance is 30 meters. It is delivered on a black alligator leather strap.
The dial is silver-plated, paired with gold-plated feuille hands and gold-tone applied markers. The moon phase display is positioned at 12 o’clock.
Power comes from the self-winding caliber 35800, which has a diameter of 25.6 mm, thickness of 4.8 mm, and a power reserve of 42 hours. The movement beats at 28,800 vph (4 Hz) and contains 25 jewels. Functions include hours, minutes, central seconds, and moon phase.