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Hello all. I recently purchased what I though was a Seiko 5 project watch. The case back says the movement is a Seiko 6309- 7200 movement. However when I removed the works (and disassembled) it was not a 6309, at least I don't think it is. FE 5612 is stamped on the movement plate and when I looked that up I found pictures of the exact movement on the Ranfft Watches site. So I guess I have two questions. First did Seiko use this movement on their watches and somebody perhaps changed case back, or did someone replace the Seiko works with the FE 5612. Second, does anyone know of a location to find a service manual for the FE 5612 movement? It does not seem to want to go back together nicely (do they ever?) and I am wondering if I have something misplaced as the only description I could find states: "Strange. Train and Hand Gear separately driven by barrel (cf. MSR T43)." I also need a stem and crown and don't have a part number. Thanks for any and all information.