Seiko V657 Parts Catalog - Page 5

TECHNICAL GUIDE Cal. V657A Z3 Battery • How to remove Using tweezers, catch the protrusion of the switch spring indicated in the illustration below, and detach the hooking portion from the main plate. Then, remove the battery. • How to install Slip the battery sideways into the gap under the battery clamp of the switch spring. Then push the battery clamp so that the hooking portion catches the main plate securely. Switch spring (battery clamp) 0 Protrusion Hooking portion 24) Winding stem • How to remove Remove the winding stem with the crown at the normal position while pushing the setting lever (marked with "PUSH If "). 00 -H0RI0RA TC•CO I. No rims JAM 2MOoM0o0OM of MHO 0 00 • 0 • 00 0 00 • 0 Setting lever TECHNICAL GUIDE O Train wheel bridge (A) OO Train wheel bridge (8) • Setting position Fifth wheel and pinion (B) [Plain] Step rotor (A) O Cal. V657A • Third wheel and pinion Setting wheel Step rotor (B) O O ---- Minute wheel and pinion - Fourth wheel anti 1111110(1 Fifth wheel and pinion (A) Train wheel bridge (A) [Cross section] Setting wheel Minute wheel and pinion Fourth wheel and pinion Third wheel and pinion Filth wheel and pinion (A) ■ ---------- Step rotor (A) rJ Train wheel bridge (B) Center wheel and pinio Step rotor (B) Rotor stator Main plate -- Filth wheel and pinion (RI 9 to