Seiko - Kinetic PERPETUAL CALENDAR leap year - SNP005P1 - 2011-present Kinetic - Steel - Seiko Premier Kinetic Perpetual Calendar SNP005P1. Expect extreme accuracy even years after you buy this. When you don’t wear it for 24 hours at a stretch, it goes into sleep mode (till awakened with a few jerks and the time resets automatically) for conserving energy, though keeps counting the date.  Features:  Perpetual Calendar with leap year correct until February 28, 2100  Time relay system preserves accurate time for up to 4 years.  When the watch senses 24 hours of inactivity, it puts itself into  suspended animation (sleep mode) to conserve energy. The date  continues to advance correctly while the watch is asleep. Wake it  up with a few shakes of your wrist and it automatically resets itself  to the correct time even if it has been asleep for up to 4 years.  Movement Kinetic (no battery required)  Calibre 7D48  Water resistance 100m  Movement from Japan  Scratch resistant Sapphire crystal  Stainless steel case  Calf leather strap(Not original but very usefull) (width 20mm, length 108mm & 148mm, OEM ref 4KK6JZ)  Diameter 40,5mm excluding crown  Thickness 12mm  Costumers are responsible for costum fee and site commission