IWC Portugieser Perpetual Calendar IW503404.

Brand: IWC
Series: Portugieser Perpetual Calendar Perpetual Double Moonphase
Model #: iw503404
Size: Mens
Case Diameter: 44.2mm
Case Thickness: 15.3mm
Movement: Automatic
Case Material: 18kt Rose Gold
Dial Color: Grey
Bracelet/Strap: Alligator/Crocodile Leather Black
Clasp Type: Deployant Buckle
Bezel: Fixed
Crystal: Scratch Resistant Sapphire
Case Back: Transparent
Screw Down Crown: No
Water Resistant 30m/100ft

Description:
Powered by the IWC-manufactured automatic 52615 caliber from the new IWC 52000-caliber family featuring two barrels instead of one, this state of art masterpiece from the exemplary Portugieser collection holds an incredible power reserve of seven days (168 hours). The mechanism beats at a frequency of 28,800 VpH and provides great precision to the functions of this marvelous gentlemen’s timepiece. On a magnificent slate-colored dial central hours and minutes are indicated, along with power reserve indicator, small seconds sub-dial, perpetual calendar displaying date, day, month and year in four digits, and perpetual moon phase for the northern and southern hemispheres. The case of this watch has a 44.2mm diameter and it’s made of 18K rose gold. The watch is worn on a black alligator leather strap by Santoni combined with 18K rose gold deployment clasp. Water resistant to 30 meters.