Guaranteed 100% Brand New and Authentic. Seiko 5 Sports 55th Anniversary Bruce Lee Limited Edition SRPK39. Caliber Number – 4R36. Movement Type – Automatic with manual winding. Power reserve – Approx. Stop second hand function. Weight – 95.0g. LIMITED EDITION on the case back. Serial number engraved on the case back. See-through & Screw case back. Case Size Thickness – 13.4mm. Lug-to-lug – 46.0mm. Higher-end orders will require a signature, so please specify an address which you can be available to receive the package and sign for it. We always strive to provide its customers with the highest quality of service. Please note that we will not accept any items with scratches, marks, blemishes or if the security tag has been removed, tampered with or altered in any manner.