7002-7039 (200m model, in black as well as blue-and-red bezels) Details: The cal. 7002 movement has 17J and runs at 21,600 bph. It's non-hacking and has a quickset date-only calendar mechanism. By the late 1980s, Seiko has changed the case design of the divers from the earli...
Known Models 7002-700A, 7002-700J, 7002-7039, 7002-7020, 7002-7009, Sports 50 (Add yours to the comments below…) The Seiko caliber 7002A is an automatic movement with 17 jewels found in many pre-SKX Seiko divers. This caliber was introduced in the late 1980s after Seiko started to...
as evidenced by the increasing number of online replica watch vendors. These days even fake Swiss watches have different grades of quality. Some fake watch peddlers classify them according to their grades; you can find an "