Seiko Premier Kinetic Perpetual NOVAK DJOKOVIC SPECIAL EDITION A watch that sets itself according to odd months and leap years! Left unused, it stops itself and counts the time and date internally and resets itself when brought back into use again. The perpetual calendar is set to perform flawlessly till the year 2100 and it stands as Seiko’s highest achievement in its Kinetic technology. Convenient, precise, durable and log-lasting. Movement: Kinetic Movement 7D56 Case Numbers: 7D56-0AB0 Serial Number: 540875 Reference Number: SNP127P1 Body: Steel Case Size: 41,5mm (without crown) Lug Width: 21mm Strap: Original Seiko Genuine Leather Buckle: Butterfly Clasp Crystal: Sapphire Crystal Original Box: Yes Booklets: Yes Certificate: NO Features: Power Save Function, Perpetual Calendar, Month Indicator, Leap Year Indicator, Time Relay System * Express shipping in a very good package via international carriers such as UPS or FedEx with tracking number and insurance. Please read the description carefully and check all the photos. If you have any questions, please feel free to ask. Note: Please check the customs regulations in your country and consider import duties. All possible duties and taxes are the responsibility of the buyer. In case of return, you should pay the shipping fee.