ZENITH 4001

Exploded diagram

BrandZENITHCaliber4001Size13 1/4FunctionSC-DD-MPH-AUT-CHR-FlybackVersionEL PRIMEROHandsStem5824Stem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)1.22x12.5x0.146 AUTMainspring (subs.)Battery

Watchparts

Part NocaliberdescriptionoriginalArtno.
100BMain plate jewelledEL PRIMERO995001004001
100BMain Plate51.52.1014.41099500100402
106= 4021Barrel and train wheel bridge51.03.0575.402199500106402
116= 411Escape wheel bridge51.12.0051.41199500116411
121/3= 411Balance bridge51.06.0372.41199500121411
125= 411Pallet bridge51.07.0311.41199500125411
145= 410Dial support22.12.0070.41099500145410
166= 400Casing clamp10.16.0560.40099500166400
180/2= 400Barrel with drum + cover52.63.0115.40099500180400
205= 400Center wheel drilled + cannon99500205400
205= 400Center wheel drilled without cannon53.70.0081.40099500206400
210= 400Third wheel53.73.0110.40099500210400
225= 400ZSecond wheel - 6 arms53.74.0390.40099500225400Z
245= 410Cannon pignon sweep sec. H = 27009.72.0111.41099500245410
260= 400Minute wheel59.39.0085.40399500260400
380= 400Shock-absorber KIF upper99500380400
381= 400Shock-absorber KIF lower99500381400
401= 400Handsetting stem07.23.0075.4008025824
407= 400Clutch wheel08.24.0070.40099500407400
410= 400Winding pignon07.25.0070.40099500410400
414= 400crown wheel seating12.46.0080.40099500414400
416= 400Ratchet wheel lower07.51.0070.40099500416400
421= 400Crown wheel lower07.47.0085.40099500421400
422= 400Crown wheel ring12.49.0070.40099500422400
423= 400Crown wheel core12.48.0050.40099500423400
424= 400Yoke spring08.28.0070.40099500435400
425= 400Clicking spring07.52.0060.40099500425400
430= 400Click spring13.53.0070.40099500430400
440= 400Yoke spring13.29.0080.40099500435400
443= 400Setting lever assembled58.27.0100.40099500443400
445/1= 400Setting lever spring10.30.0075.40099500445400
450= 400Setting wheel09.41.0080.40099500450400
451= 400Setting wheel for minute wheel09.41.0070.40099500451400
462= 400Minute train bridge10.32.0035.40099500462400
502= 400Setting lever axle08.26.0070.40099500502400
705= 400ZEscape wheel - 20 teeth53.76.0390.40099500705400Z
710= 400Pallet fork -pinion 1 lower end-piec.= ALTE Ausf.99500711400
710= 400ZPallet fork54.79.0260.40099500710400Z
721= 400Balance cplt. -regulated56.80.0101.40099500721400
934= 400Push-piece bolt10.15.0010.40099500934400
953/2= 400Extension pusher long48.05.0025.40099500953400
953/4= 400Extension pusher short48.05.0015.40099500953401
1481= 400Reduction wheel AUT97.95.0035.40399501481400
1482= 400Ratchet wheel driving wheel97.45.0030.40099501482400
1488= 400Pawel winding wheel97.02.0010.40099501488400
1499= 400Reverser connecting wheel97.59.0010.40099501499400
1525= 400Reduction wheel bolt10.74.0020.40099501525400
2545= 410Day corrector operating lever46.95.0010.41099502545410
2551/1410Calendar platform assembled MPH99502551410
2552= 400Date finger46.83.0040.40099502552400
2555BCalender driving wheel59.64.0020.40099502555400
2555= 400Calender driving wheel59.64.0020.40099502555400
2556= 400Date indicator driving wheel09.66.0030.40099502556400
2556= 400Date indictore driving wheel09.66.0030.40099502556400
2557/1400=ZHD0010date indicatorF4 Silber9950ZHD0010
2557/1400=ZHD0011date indicatorF4 Schwarz9950ZHD0011
2557/1= 400date indicatorF6 weiss99502557401
2557/1400=ZHD0015date diskF3 weiss9950ZHD0015
2557/1= 400date indicatorF3 weiss99502557400
2566/1= 400Date indictore driving wheel96.05.0010.40099502556401
2567/1= 410Day corrector46.94.0010.41099502567410
2571= 410Day corrector spring13.65.0010.41099502571410
2575= 400Date jumper spring13.72.0050.40099502575400
2576= 400Date jumper46.71.0031.40099502576400
2594= 410Moon phase corrector lever96.40.0010.41099502594410
2632/2= 410Date unlocking yoke96.81.0031.41099502632410
2633= 400Date unlocking yoke spring13.82.0125.40099502633400
2765/1= 400Date corrector yoke96.03.0020.40099502765400
5106= 400screw for barrel bridge11.13.9906.40099505106400
5106= 403screw for barrel train brigde11.13.9902.40399505106403
51143= 400Srew for bearing wheel11.11.9956.40099551143400
5121= 403screw for balance cock11.13.9892.40399505121403
51525= 403screw for reduction gear bolt11.14.9972.40399551525403
5166Bscrew for casing clamp11.27.9966.STA99505166401
52545Bscrew for extension11.11.9846.41099552545401
52545= 410screw for extension11.63.9696.41099502545410
52551= 410screw for date mechanism plate11.37.9965.41099552551410
52557= 400screw for date indicator11.13.9856.40099552557400
52566= 400screw for date corrector11.63.9776.40099552566400
52632= 400screw for date unlocking yoke11.13.9866.40099552632400
5423= 400screw for crown wheel core11.33.9982.40399505423400
5425= 400srew for click11.11.9962.40399505425400
5435= 400screw for spring yoke10.53.9700.40099505435400
5440= 400screw for yoke spring11.63.6756.40099505440400
5462= 403screw for minute train bridge11.42.9946.40099505462403
58070= 403screw for pillar wheel11.42.9922.40399558070403
58080= 403screw for coupling clutch11.63.9802.40399558080403
58140= 403screw for operating lever11.63.9722.40399558140403
58200= 403screw for blocking lever11.63.9812.40399558200403
58270= 403screw for minute recording jumper11.11.9762.40399558270403
58290= 403screw for friction spring11.11.9782.40399558290403
58320= 403screw for clutch spring11.63.9762.40399558320403
58325= 403screw for maintain pin11.63.9732.40399558325403
58335= 403screw for operating lever spring11.13.9882.40399558335403
58350= 403screw for hammer spring11.37.9962.40399558350403
58355= 403screw for pillar wheel jumper11.42.9952.40399558355403
58500= 403screw for chrono bridge11.11.9922.40399558500403
58610= 400screw for conveyor11.63.9676.40099558610400
58620= 403screw for recorder bridge11.40.9932.40399558620403
58620= 400screw for hour recorder bridge11.40.9976.STA99558620400
58680= 400screw for hour hammer11.11.9876.40099558680400
5934= 403screw for extension11.13.9842.4039955934403
8000= 410Chronograph wheel ( 60s)98.10.0025.41099508000410
8020= 410Minute counting wheel (30m)98.11.0022.41099508020410
8060= 400Driving wheel chrono62.13.0015.40399508060400
8070= 400Pillar wheel 2-3 functions48.06.0010.40099508070400
8080= 407Coubling clutch, mounted, 2 functions68.52.0030.40799508080407
8080= 4001Coubling clutch, mounted, 2 functions995080804001
8100= 407Sliding gear (30m), mounted98.71.0016.40799508100407
8100B = 4009Sliding gear (30m), mounted995081004001
8140= 407Operating lever chrono, 2 funct.98.30.0040.40799508140407
8140B = 4009Operating lever chrono, 2 funct.995081404001
8157= 403guard25.10.0015.40399508157403
8200= 400Blocking lever, 2 functions98.49.0030.40099508200400
8220B = 4009Hammer, mounted, 2 functions98.44.0140 405995082204001
8270= 400Minute counter jumper98.50.0011.40399508270400
8290= 400Chronograph wheel friction13.66.0020.40099508290400
8320= 405Clutch spring, 2 functions13.33.0020.40599508320405
8325= 410Sternradwippenfeder zwei Funktionen99508325410
8335= 403Operating lever spring48.32.0015.40399508335403
8335= 410Operating lever spring99508335410
8345= 405Blocking lever spring13.35.0030.40599508345405
8350= 405Hammer spring, 2 functions98.48.0020.40599508350405
8355= 400Pillar wheel jumper48.52.0010.40099508355400
8358= 400Pillar wheel jumper sole48.51.0010.40099508358400
8400= 400Eccentric f. pivoting of coupling clutch05.10.0020.40099508400400
8401= 400Banking eccentric f. couplimg clutch05.10.0030.40099508401400
8406= 400Finger-depth eccentric05.10.0040.40099508406400
8500BChronograph bridge51.25.0181.400199508500401
8600= 410Hour counting wheel, mounted62.10.0085.41099508600410
8610= 400Conveyor mounted98.03.0020.40099508610400
8620= 400Hour counting wheel bridge98.54.0025.40099508620400
8640/1= 400Switch10.53.9770.40099508641400
8720BConveyor spring13.37.0050.400199508720401
8730= 405Hour hammer spring63.36.0020.40599508730405
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