Seiko 7T32B Technical Manual

ø27.6mm 24.0mm between 3 o’clock and 9 o’clock sides ø27.0mm 24.0mm between 3 o’clock and 9 o’clock sides Casing diameter 3.1mm (3.2mm including the battery portion) Height Movement size Alarm Stopwatch M ia n it me Time i nd ci a it on Timer (for Cal. 7T42B) Hour, minute and small second hands Minute and 1/5-second hands Small hour and minute hands Minute and second hands (Stopwatch 1/5-second and minute hands) Driving system Step motor, 4 pieces • Electronic circuit reset switch • Train wheel setting device • Battery life indicator (Small second hand moves at two-second intervals.) • Date calendar • Instant setting device for date calendar • Stopwatch function (Up to 30 minutes in 1/5 seconds) • Accumulated elapsed time measurement • Split time measurement • Timer function (Up to 60 minutes in minutes) • Alarm function (12-hour indication system) • Alarm test system Additional mechanism Monthly rate at normal temperature range: less than 15 seconds Loss/gain Nil Regulation system Measuring gate by quartz tester SEIKO SR927W, Maxell SR927W, SONY SR927W, EVEREADY 399 Battery life is approximately 2 years. Voltage: 1.55V Battery 0 jewel Jewels PARTS CATALOGUE / TECHNICAL GUIDE Use 10-second gate.

Case ring (Cal. 7T32B) Piezoelectric element Button spring clip Button C Button B Winding stem for alarm Button spring Button A Winding stem Stopwatch second hand/Timer minute hand Minute hand Hour hand Small second hand Stopwatch minute hand/Timer hand second Alarm minute hand Alarm hour hand Dial Holding ring for dial Silicone Oil 500,000 c.s. Please see the remarks on the following pages. SEIKO Watch Oil S-6 Extremely small Moebius A Normal quantity Lubricating: Types of oil Oil quantity Disassembling procedures Figs.: Reassembling procedures Figs.:

Battery clamp screw 　0022 230 Parts Catalogue 22 0878 527 21 0808 580 20 0027 973 27 0271 580 (1) 0271 588 (2) 26 0271 583 25 0802 580 24 0737 580 23 0962 580 28 0022 230 29 4225 714 31 0022 459 33 0396 580 34 4000 710 30 Battery 32 4457 726 37 Pin for train wheel bridge 0027 974 38 0125 590 39 Second-counting wheel 0888 580 (1) 0888 582 (2) 49 Intermediate minute- counting wheel 0950 590 Circuit block cover screw 　0022 459 51 Intermediate alarm wheel 0950 590 50 Minute-counting wheel　0902 580 52 enter minute wheel for alarm　0270 580 53 Minute wheel for alarm 0261 582 54 Setting wheel for alarm 0281 582 48 Setting wheel　0281 580 47 Minute wheel　0261 580 46 Second intermediate wheel 0885 591 45 First intermediate wheel 0885 590 44 Fifth wheel and pinion 　0701 580 43 Third wheel and pinion 0231 580 42 Fourth wheel and pinion 0241 583 41 　Small second wheel 0240 580 40 Spacer for center wheeland 35 4246 700 36 Battery connection (–) 4270 710 Pin for date dial guard Date dial guard Date dial Intermediate wheel for calendar correction Date corrector setting wheel Date driving wheel Hour wheel for alarm Hour wheel Battery clamp screw Battery clamp Circuit block cover screw Circuit block cover Friction spring for second-counting Circuit block Buzzer lead terminal Train wheel bridge pinion 4283 581 for second-counting for second-counting

56 Chronograph rotor for second 　4146 710 57 Alarm rotor 4146 710 58 Chronograph rotor for minute 　4146 710 59 Coil block　4002 700 60 Coil block for chronograph second 4002 700 61 Coil block for alarm 4002 711 62 Coil block for chronograph minute 4002 711 63 Switch lever A 4450 710 64 Setting lever for alarm 0383 591 65 Setting lever 0383 592 66 Winding stem for alarm 0351 580 67 Clutch wheel for alarm 0282 582 68 Yoke 0384 580 69 Winding stem 0351 580 70 Clutch wheel 0282 580 71 Train wheel setting lever 0391 591 72 Rotor stator 4239 710 73 Rotor stator for chronograph second 4239 711 74 Rotor stator for alarm 4239 712 75 Rotor stator for chronograph minute 4239 713 76 Center wheel and pinion 0221 580 (1) 0221 583 (2) 77 Switch lever C 4450 702 78 Switch lever B 4450 701 79 Main plate 0100 590 Please see the remarks on the following pages.