Seiko Men's Coutura Kinetic Perpetual SNP007

Seiko Men's Coutura Kinetic Perpetual Calendar automatically adjusts for odd and even months Watch senses 24 hours of inactivity goes into sleep mode Date continues to advance correctly Wake it up it automatically resets itself to the correct time even if it's been asleep for up to 4 years Window indicates the number of years since last leap year High accuracy - monthly loss/gain rate of 15 seconds Oversized dual date windows 24-hour and 12-month subdials Energy depletion forewarning function Cabochon crown Sapphire crystal Water resistant up to 100M