IWC Portuguese Silver Dial 18kt Rose Gold Brown Leather Strap Automatic Mens Watch 5001-13 Made in USA or Imported Swiss-made caliber 51010 automatic movement 42.3mm 18k rose gold case 18k rose gold bezel silver dial with gold-tone luminous hands and hour markers scratch-resistant sapphire crystal minute markers around the outer rim functions include hours and minutes and small seconds sub-dial with stop function at 9 o'clock and 7-day power reserve sub-dial at 3 o'clock and date display at 6 o'clock brown alligator leather strap with deployment clasp power reserve of 7 days water resistant to 3TM (30m or 100 feet)