ZENITH 420Z

Exploded diagram

BrandZENITHCaliber420ZSize13 1/4FunctionSC-CLD-CHRVersionEL PRIMEROHands1.00x1.50Stem5824Stem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)1.22x12.5x0.146Mainspring (subs.)Battery

Watchparts

Part NocaliberdescriptionoriginalArtno.
100= 420Main plate jewelled51.52.0974.42099500100420
105= 420Screw for barrel bridge51.03.0357.42099500105420
116= 420Escape wheel bridge51.12.0021.40099500116400
121/3= 420Balance bridge51.06.0112.40099500121400
125= 420Pallet bridge51.07.0291.40099500125400
166= 420Casing clamp10.16.0560.40099500166400
180/1= 420Barrel complete -with mainspring52.63.0300.42099500180420
205= 420Center wheel drilled without cannon53.70.0081.40099500206400
210= 420Third wheel53.73.0110.40099500210400
225= 400ZSecond wheel - 6 arms53.74.0390.40099500225400Z
245= 420Cannon pignon sweep sec.09.72.0081.40099500245400
255= 420Hour wheel sweep sec.09.37.0086.40099500255400
260= 420Minute wheel59.39.0085.40399500260400
401= 420Handsetting stem07.23.0075.4008025824
407= 420Clutch wheel08.24.0070.40099500407400
410= 420Winding pignon07.25.0070.40099500410400
414= 420crown wheel seating12.46.0080.40099500414400
421= 420Crown wheel lower07.47.0085.40099500421400
422= 420Crown wheel ring12.49.0070.40099500422400
423= 420Crown wheel core12.48.0050.40099500423400
425= 420Clicking spring07.52.0060.40099500425400
430= 420Click spring13.53.0070.40099500430400
435= 420Yoke spring08.28.0070.40099500435400
440= 420Yoke spring13.29.0080.40099500435400
443= 420Setting lever assembled58.27.0100.40099500443400
445/1= 420Setting lever spring10.30.0075.40099500445400
450= 420Setting wheel09.41.0080.40099500450400
451= 420Setting wheel for minute wheel09.41.0070.40099500451400
462= 420Minute train bridge10.32.0035.40099500462400
502= 420Stellhebelwelle08.26.0070.40099500502400
705= 400ZEscape wheel - 20 teeth53.76.0390.40099500705400Z
710= 400ZPallet fork54.79.0260.40099500710400Z
721= 420Balance cplt. -regulated56.80.0101.40099500721400
953/2= 420Extension pusher long48.05.0025.40099500953400
953/4= 420Extension pusher48.05.0015.40099500953400
2552= 420Date finger46.83.0040.40099502552400
2555= 420Calender driving wheel59.64.0020.40099502555400
2556= 420Datumstern- / Datumanzeiger- Mitnehmerrad09.66.0030.40099502556400
2566/1= 420Date indictore driving wheel96.05.0010.40099502556401
2575= 420Date jumper spring13.72.0050.40099502575400
2576= 420Date jumper46.71.0031.40099502576400
2632= 420Date unlocking yoke96.81.0021.40099502632400
2633= 420Date unlocking yoke spring13.82.0125.40099502633400
2765/1= 420Date corrector yoke96.03.0020.40099502765400
5106= 420Screw for barrel bridge11.13.9906.40099505106400
5106= 420Screw for barrel bridge11.13.9906.40099505106400
5121= 420screw for balance cock11.13.9896.40099505121400
5166= 420screw for casing clamp11.27.9966.STAN99505166409
52557= 420screw for date indicator11.13.9856.40099552557400
52566= 420screw for date corrector11.63.9776.40099552566400
52632= 420screw for date unlocking yoke11.13.9866.40099552632400
5423= 420screw for crown wheel core11.33.9986.40099505423400
5425= 420screw for crown wheel core11.11.9966.40099505425400
5435= 420screw for spring yoke10.53.9700.40099505435400
5440= 420screw for yoke spring11.63.9756.40099505440400
5462/1= 420screw for minute train bridge11.43.9996.40099505462401
58080= 420screw for coupling clutch11.63.9806.40099558080400
58140= 420screw for operating lever11.63.9726.40099558140400
58157= 420screw for new guard11.42.9926.40099558157400
58200= 420screw for blocking lever11.63.9816.40099588200400
58270= 420screw for minute recording jumper11.11.9756.40099558270400
58290= 420screw for friction spring11.11.9936.40099558290400
58320= 420screw for clutch spring11.63.9766.40099558320400
58325= 420screw für maintain pin11.63.9736.40099558325400
58335= 420screw for operating lever spring11.13.9886.40099558335400
58350= 420screw for hammer spring11.37.9966.40099558350400
58355= 420screw for pillar wheel jumper11.42.9956.40099558355400
58500= 420Screw for chronograph bridge11.11.9926.40099558500400
58610= 420screw for conveyor11.63.9676.40099558610400
58620= 420screw for hour recorder bridge11.40.9976.STAN99558620400
58680= 420screw for hour hammer11.11.9876.40099558680400
5934= 420screw for extension11.13.9846.40099505934400
8000= 420Chronograph wheel ( 60s)98.10.0013.40099508000400
8020= 420Minute counting wheel (30m)98.11.0012.40099508020400
8060= 420Driving wheel chrono62.13.0015.40399508060400
8070= 420Pillar wheel 2-3 functions48.06.0010.40099508070400
8080= 420Coubling clutch, mounted, 2 functions68.52.0013.40099508080420
8100= 420Sliding gear (30m), mounted98.71.0012.40399508100400
8140= 420Operating lever chrono, 2 funct.98.30.0020.40099508140400
8157= 420guard25.10.0010.40099508157400
8180= 420Fly-back lever -zero actoon48.48.0020.40099508180400
8200= 420Blocking lever, 2 functions98.49.0030.40099508200400
8220= 420Hammer, mounted, 2 functions98.44.0021.40099508220400
8270= 420Minute counter jumper98.50.0011.40399508270400
8290= 420Chronograph wheel friction13.66.0020.40099508290400
8320= 420Clutch spring, 2 functions13.33.0011.40099508320400
8325= 420Sliding gear spring13.34.0015.40099508325400
8335= 420Operating lever spring48.32.0010.40099508335400
8345= 420blocking lever spring13.35.0020.40099508345400
8350= 420Hammer spring98.46.0010.40099508350400
8355= 420Pillar wheel jumper48.52.0010.40099508355400
8358= 420Pillar wheel jumper sole48.51.0010.40099508358400
8400= 420Eccentric f. pivoting of coupling clutch05.10.0020.40099508400400
8401= 420Banking eccentric f. couplimg clutch05.10.0030.40099508401400
8406= 420Finger-depth eccentric05.10.0040.40099508406400
8500BChronograph bridge51.25.0042.42099508500420Z
8600= 420Hour counting wheel, mounted62.10.0045.40099508600400
8610= 420Conveyor mounted98.03.0020.40099508610400
8620= 420Hour counting wheel bridge98.54.0025.40099508620400
8640= 420Switch48.53.0020.40099508640400
8640/1= 420Switch10.53.9770.40099508641400
8680= 420Hour hammer48.55.0008.40099508680400
8720= 420Conveyor spring13.37.0031.40099508720400
8730= 420Hour hammer spring63.36.0010.40099508730400
.= 420Day corrector59.67.0110.4054B
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