Seiko Grand Seiko Hi-Beat Elegant Men’s Vintage Watch Brand: Seiko from Japan Model: Grand Seiko Serial No.: 5646-7010 Movement: Seiko Automatic 25 Jewels Country of Manufacture: Japan Year of Manufacture: 1973. Gender: Men’s Type: Elegant Case Material: Stainless Steel Case Back: Stainless Steel with the Gold GS Mark Case Diameter: 36/40mm Case Thickness: 9,5mm Silver and Gold Hands And Markers Glass: Hardlex Crystal. Dial Color: Black Strap Type: Genuine Lather Strap Material: Black color Calfskin Lather with Croco Style Strap Size: 18mm Strap Length: 19-21cm Condition: This vintage watches are Fully Serviced, which were completely disassembled, examined, parts were replaced if required, oiled and reassembled, restored to excellent condition. Guarantee 100% for the Authentic. The old leather strap was replaced by a new Genuine Leather. You can see on the pictures that this watch is in perfect condition. I will shipping this beautiful watch in the wood Seiko box also from the 1970’s. Sending with registered insured shipping.