Seiko Men's Auto Relay Premier Kinetic Perpetual Calendar Watch . Stainless steel bracelet. Dial: Black. Sapphire crystal. Approximate Case: 43 mm x 12 mm thickness ( including crown ). Water resistant 100 meters or 10bar. Caliber: Seiko 7D48 Quartz Movement made in Japan. Metal: Stainless Steel. Combining Seiko Kinetics unique Time Relay technology with a four-year sleep mode and a perpetual calendar correct until the year 2100. 101 parts of mechanical gear trains of the perpetual calendar enable the movement of the date, day, month and year including February in a leap year. Powered only by the worlds smallest ultra-sonic motor, 0.4 mm thick. Premier Kinetic Perpetual is an all-new movement with 232 parts within an all-new design. # SNP003P1 SNP003 #.