Case: 18K white gold, diameter 42 mm, sapphire crystal case-back
Dial: black, broad snailed-finish base, sunray satin-brushed and fine snailed-finish chapter rings, date circle with black galvanic treatment, 1 brilliant-cut diamond at 6 o'clock (0.034 carat)
Movement: mechanical automatic winding, 35 jewels, 28,800 vibrations per hour, 70-hour power-reserve
Functions: hours, minutes, twin-aperture large date
Water-Resistance: 30 meters
Strap: black alligator, 18K white gold ardillon buckle
Harry Winston timepieces are manufactured in Geneva, the fine watchmaking capital of the world.