IWC Portuguese Perpetual Calendar Watch

Case Diameter: 42.2mm
Strap: Blue alligator leather
Movement: Japanese 9015 movement
Dial: Blue dial, rose‑gold hands
Functions: Sun‑moon‑star display at 12 o’clock, weekday display at 9 o’clock, month‑year linked display at 6 o’clock, power reserve & date display at 3 o’clock. All functions adjusted via crown.