Seiko V172A Technical Manual

22, Seiko V172A TECHNICAL GUIDE Cal. V172A/V174A 22/25 2ND CLICK POSITION l CHECKING THE SOLAR POWER GENERATION SYSTEM <How to check the solar power generation with the watch> 1) Remove the RECHARGEABLE BATTERY UNIT from the watch. 2) Pull out the crown to the 2nd click in order to reset the …

14, ㉕ RECHARGEABLE BATTERY BLOCK • Assembling Set the notched portion of the RECHARGEABLE BATTERY BLOCK to the guide post, and check that the hooking portion of the RECHARGEABLE BATTERY BLOCK touches the (-) output terminal of the CIRCUIT BLOCK. HOOKING PORTION GUIDE POST (-) IN…

17, ㉜ PIN FOR TRAIN WHEEL BRIDGE • Disassembling Turn the PIN FOR TRAIN WHEEL BRIDGE counter clockwise by 90 degrees, and loosen it. • Reassembling Set the PIN FOR TRAIN WHEEL BRIDGE as shown in the illustration, and tighten it by turning clockwise by 90 degrees. (Refer to th…

19, TECHNICAL GUIDE Cal. V172A/V174A 19/25 51 SWITCH LEVER A 56 SETTING LEVER 57 YOKE 61 TRAIN WHEEL SETTING LEVER 59 WINDING STEM 63 CENTER WHEEL AND PINION 69 MAIN PLATE AＯ 3 Ｓ−６ ＡＯ3 ＡＯ2 ● How to lubricate …

21, TECHNICAL GUIDE Cal. V172A/V174A 21/25 * When measuring the current consumption using the SEIKO digital multi-tester (S-860), use the range of 40 μA of SUPPLY V (=1.55 V) & GATE TIME (2S). * Avoid exposing the CIRCUIT BLOCK to direct light in order to obtain the correct measure…

6, 45 CENTER WHEEL FOR ALARM 0902 502 42 MINUTE COUNTING WHEEL 0902 500 41 INTERMEDIATE MINUTE COUNTING WHEEL 0950 590 39 FIRST INTERMEDIATE SESOND COUNTING WHEEL 0885 590 32 PIN FOR TRAIN WHEEL BRIDGE 0027 974 33 TRAIN WHEEL BRIDGE 0125 516 34 1/5-SECOND…