1971 Seiko 6119-6400 Automatic 5 Sports 70m Sport Diver (UFO)
Help w/ Seiko UFO 6138 Parts | WatchUSeek Watch Forums
Service Seiko Chronograph (UFO) Calibre 6138 – Mitka's vintage watch service .
Seiko 5 Sports Speed-Timer UFO chronograph stainless steel gentleman's bracelet watch, ref. 6138-0011, serial no. 163599, later bracelet, 44mm (in need of repair)
VINTAGE Seiko UFO 6138-0011 Chronograph Automatic Watch FOR Parts REPAIR | WatchCharts