CIGA Design Men Automatic Mechanical Watch Full Hollow Stainless Steel Wrist Watch – Silver Full Hollow Design A strengthening sense of metal and sharp lines. Listen to the heartbeat of a machine. Double Cabochon Artificial Sapphire Glass The watch glass is made of 1.2mm sapphire, making it resistant to wear and scratches. SEA-GULL AAA-Class Automatic Mechanical Movement Over 40 hrs power reserve. Each movement has undergone four rounds of testing. CIGA Design Original CIGA Design has won eight Reddot Awards, two iF Design Gold Awards and two German Design Awards.