



IWC Portugieser IW503301 Perpetual Calendar Black Dial
Estimated delivery time: 7 to 21 business days
We reserve the right to change prices and availability.
| Feature | Detail |
| Model Name | Portugieser Perpetual Calendar (Single Moonphase) |
| Reference Number | IW503301 (often seen as IW5033-01) |
| Case Material | 18K White Gold |
| Case Diameter | $\mathbf{44.2 \text{ mm}}$ |
| Case Thickness | $\mathbf{14.9 \text{ mm}}$ to $\mathbf{15.3 \text{ mm}}$ |
| Dial Color | Ardoise (Slate Grey) with applied White Gold Arabic numerals |
| Movement | IWC-manufactured Calibre 52610 (Automatic) |
| Power Reserve | $\mathbf{7 \text{ days}}$ ($\mathbf{168 \text{ hours}}$) via twin barrels |
| Winding System | Pellaton automatic winding (highly efficient) |
| Complications | Perpetual Calendar (Date, Day, Month, Four-digit Year) |
| Moonphase | Single Moonphase display (at 12 o'clock) |
| Other Functions | Power Reserve Indicator (in the 3 o'clock sub-dial) and Small Hacking Seconds (in the 9 o'clock sub-dial) |
| Accuracy | Perpetual calendar only requires a one-day adjustment every $\mathbf{577.5 \text{ years}}$ |
| Crystal | Arched-edge Sapphire Glass (with antireflective coating on both sides) |
| Case Back | See-through Sapphire Glass (displaying the movement with its 18K Gold rotor) |
| Water Resistance | $30 \text{ meters} / 3 \text{ bar}$ |
| Strap | Black Alligator Leather (often by Santoni) with a White Gold deployant clasp |
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IWC Portugieser IW503301 Perpetual Calendar Black Dial
Sale priceEGP 2,100,000.00