Vintage Seiko 6117-6400 World Time GMT automatic wristwatch. Please note this watch is offered strictly as a restoration project. Most major components are present. The watch features a very clean original dial. The movement requires servicing. The balance is possibly damaged and several screws appear to be missing. The crown/stem is also missing. The Seiko Calibre 6117 was introduced during the late 1960s and became one of Seiko’s first automatic GMT movements. The 6117-6400 World Time is recognised for its rotating world time bezel and practical GMT function, making it one of Seiko’s most collectible vintage travel watches. Today these models are increasingly sought after by collectors and restorers due to their distinctive design and historical importance. This watch is sold as a project for restoration, spare parts or rebuilding. Please study all photographs carefully as they form an important part of the description.