ETA® Replacement Bestfit® Auto Series Watch Parts And Interchangeable Models

ETA® Replacement Bestfit® Auto Series Watch Parts And Interchangeable Models

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ETA® Replacement Bestfit® Auto Series Watch Parts And Interchangeable Models
$9.95 - $59.95
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Description

These are some of the more common parts that may require replacement in ETA® movements. Stock numbers can be found in the Bestfit® Matsys® online look up system. These parts are most commonly found in the automatic section of the watch including an automatic mainspring, calendar parts, screws and stop levers. ETA® movements were originally ESA® movements and the movement numbers interchange. Many of these parts interchange with other brands and calibers.

  • ETA® movement parts
  • Interchanges with ESA®
  • Interchanges with many other brands and calibers
  • Genuine part numbers
  • Part numbers can be found in the Bestfit® Matsys® online program in the link below
  • https://www.esslinger.com/matsys-online-from-bestfit-lifetime-membership-watch-parts-lookup-software/
Part Number Part Name/Old Number/New number Fits Calibers Also Fits Calibers   Part Number Part Name/Old Number/New number Fits Calibers Also Fits Calibers
Auto-6367 Oscillating weight # 1143/1 2772, 2774, 2776, 2778, 2779, 2780, 2781, 2781, 2788, 2790/1, 2791, 2793, 2794, 2798, 2783, 2789, 2789-1, 2770, 2784 Mido 2790, Tissot 2783   Auto-8054 Hour hammer #8680 (295782) 7751, 7750, 7761 Mido 7750, Valjoux 7751, 7750, 7761
Auto-6373 Screw f/ framework #51134 2770, 2770R, 2772, 2774, 2774R, 2776, 2778, 2779, 2780, 2780R, 2782, 2783, 2783R, 2784, 2784R, 2788, 2790/1, 2790/1R, 2791, 2793, 2794, 2798, 2820, 2820R, 2821, 2821-1, 2821-2, 2821R, 2822, 2822R, 2823, 2823R, 2824-1, 2824-2, 2825, 2825R, 2826, 2826R, 2827, 2728R, 2828, 2828R, 2829, 2829R, 2830, 2830R, 281, 2831R, 2832, 2832R, 2834, 2834-1, 2834-2, 2834R, 2836, 2836-2, 2837, 2837R, 2838, 2838R, 2839, 2839R, 2789, 2836-1, 2846 Bulova 1373.11, 1373.50, 1412.11, 1413.10, 1413.11, 1413.30, Mido 2784, 2790, Movado 341, Tissot 3103, 3104, 3108, 3121, Sellita SW200, SW240   Auto-8057 Mainspring #770 (284032) 7750  
Auto-7071 Balance stop lever #9433 2724, 2724R, 2728, 2728R, 2764, 2766, 2784, 2784R, 2790/1, 2790,1R, 2791, 2801-1, Bulova 1373.11, 1373.50, 1412.11, 1413.10, 1413.11, 1413.30, Mido 2784, 2790, Tissot, 3103, 3104, 3108, Sellita Sw200, SW240, SW220, SW200-1, SW220-1, SW240-1   Auto-8060 Reduction wheel #1481 (105553) 7751, 7750, 7753, A07.111 Mido 7750, Valjoux 7751, 7750, 7753, Sellita SW500
Auto-7437 Reversing wheel #1488 (002332) 2650, 2650R, 2651, 2651R, 2658, 2658R, 2670, 2670R, 2671, 2671R, 2677, 2677R, 2678, 2678R, 2681, 2685, 2688 Bulova 1233.11, 1233.50, 1592.10, Tissot 2321, 2322, 2342, 2371, 2372, 2392, 3112, 5671, Omega 721, Zenith 2671   Auto-8062 Pawl winding wheel / Reverser wheel #1488 (141561) 7751, 7750, 7753, A07.111 Mido 7750, Valjoux 7751, 7750, 7753, Sellita SW500
Auto-7438 Reversing wheel #1488 (471115) 2658, 2658R, 2670, 2670R, 2678, 2678R, 2650, 2650R, 2671 Bulova 1233.11, 1233.50, Tissot 2322, 2342, 2371, 2372, 2381, 2391, 2392, Zenith 2671   Auto-8168 Day indicator spring clip #2780 (002536) 551.121, 555.125, 555.419, 555.425, 555.121, 555.122, 555.421, 555.422, 556.125, 556.119, 951.121, 955.121, 955.124, 955.132, 955.121, 955.122, 955.419, 955.421, 955.422, 955.424, 956.119, 956.121, 956.124, 956.421, 956.424, 2648, 2658, 2658R, 2668, 2678, 2678R, 2688, A Schild 551.121, Bulova 1233.11, 1233.50, 2883.10, 2892.10, Kurth 722, Omega 1425, Tissot 2342, 2391, 2392, 5671
Auto-7439 Bearing wheel #1498 2658, 2670, 2678, 2650, 2650R Bulova 1233.11, 1233.50, Tissot 2321, 2342, 2371, 2381, 2391, 2391, 3112, 5671, Zenith 2671   Auto-8222 Intermediate date wheel #2543 (002401) 536.111, 536.121, 9361, 9362, 952.121, 2790/1, 2790/1R, 2816, 2816-1, 2817, 2834-1, 2834-2, 2836-2, 2836R, 2852, 2853, 2858, 2859, 2879, 2836-1, 2769-1, 2846, 2789-1, A Schild 536.121, Bulova 1122.10, 1123.30, 1123.52, 1373.11, 1373.50, 1413.10, 1413.11, 1413.30, 2522.10, 2783.10, Hamilton 762, Kurth 738, 739, 750, 751, Tissot 3108, Zenith 46.0, 460
Auto-7440 Auxillary reversing wheel #1530 (002351) 2671, 2678, 2678R, 2681, 2685, 2688, 2650, 2650R Bulova 1233.11, 1233.50, Tissot, 2321, 2342, 2371, 2392, 3112, 5671, Omega 721   Auto-8223 Calendar drive wheel #2555 (002418) 536.111, 536.121, 9361, 9362, 952.121, 2790/1, 2790/1R, 2816, 2817, 2834, 2834-1, 2836, 2836R, 2838R, 2858, 2859, 2879, 2836-1, 2769-1, 2846, 2836-2, 2789-1, 2834-2, 536.111, 952.121, 536.121 A Schild 536.121, Bulova 1123.30, 1123.52, 1373.11, 1373.50, 1413.10, 2522.10, 2783.10, Hamilton 762, Kurth 738, 739, 750, 751, Zenith 46.0, 460
Auto-7446 Date drive wheel #2556 551.111, 551.411, 951.111, 951.411, 2641, 2651, 2651R, 2661, 2671, 2671R, 2677, 2677R, 2691, 2681 A Schild 551.111, 551.411, Bulova 1592.10, 2732.10, 2732.20, Kurth 719, 734, Tissot 2321, 2322, 2361, 2362, 2371, 2372, 2381, Zenith 089, 2671, 489   Auto-8229 Double corrector #2569 (002497) 536.111, 536.121, 9361, 9362, 952.121, 2790/1, 2790/1R, 2816, 2816-1, 2817, 2834, 2834-2, 2834R, 2836, 2836-2, 2837, 2837R, 2838, 2838R, 2859, 2879, 2836-1, 2769-1, 2846, 2789-1, 536.111, 952.121, 536.121 A Schild 536.121, Bulova 1373.11, 1373.50, 1413.10, 1413.11, 1413.30, 2522.10, 2783.10, Hamilton 762, Kurth 738, 739, 750, 751, Tissot 3103, 3104, 3108, Zenith 46.0, 460
Auto-7449 Date jumper and spring #2576 (002457) 551.111, 551.411, 951.111, 951.411, 2641, 2651R, 2671, 2671R, 2677, 2677R, 2691, 2681 A Schild 551.111, 551.411, Bulova 1592.10, 2732.10, 2732.20, Kurth 719, 734, Tissot 2321, 2322, 2361, 2362, 2372, 2381, Zenith 089, 2671, 489   Auto-8234 Day dial clip #2780 (002534) 536.121, 554.121, 9362, 944.131, 947.121, 952.121, 954.122, 2790/1, 2790/1R, 2816-1, 2834, 2834-1, 2834-2, 2834R, 2836, 2836-2, 2836R, 2837, 2837R, 2838, 2838R, 2858, 2859, 2878, 2879, 2836-1, 2769-1, 2846, 2789-1, 2896, 554.121, 944.131, 952.121, 954.122, 536.121, 947.121 A Schild 536.121, 554.121, Bulova 1123.30, 1123.52, 1133.52, 1373.11, 1373.50, 1413.10, 1413.11, 1413.30, 2783.10, Hamilton 762, Kurth 738, 739, 751, Tissot 3103, 3104, 3108, Sellita SW240, SW220, SW220-1, SW240-1
Auto-7506 stop lever #9433 (201171) 2640, 2648, 2650, 2650R, 2651, 2651R, 2658, 2658R, 2660, 2661, 2668, 2671, 2671R, 2677, 2677R, 2678, 2678R, 2688, 2681 Bulova 1233.11, 1233.50, 1592.10, GP 833, Tissot 2342, 2352, 2362, 2371, 2392, Zenith 480   Auto-8235 Date jumper #2784 (002463) 536.111, 536.121, 9361, 9362, 952.121, 1790/7, 2790/1R, 2816-1, 2834, 2834-1, 2834-2, 2834R, 2836, 2836-2, 2836R, 2837, 2837R, 2838, 2838R, 2858, 2859, 2878, 2879, 2836-1, 2769-1, 2846, 2789-1, 536.111, 952.121, 536.121 A Schild 536.121, Bulova 1123.30, 1123.52, 1133.52, 1373.11, 1373.50, 1413.10, 1413.11, 1413.30, 2522.10, 2783.10, Hamilton 762, Kurth 738, 739, 750, 751, Tissot 3103, 3104, 3108, Zenith 46.0, 460, Sellita SW220, SW220-1, SW240, SW240-1
Auto-7518 Mainspring #771 (092744) 2670, 2670R, 2671, 2671R, 2677, 2677R, 2678, 2678R, 2685, 2681 Bulova 1233.11, 1592.10, Tissot 2321, 2371, 2381, 2391, 3112, 5671, Omega 721, Zenith 2671   Auto-8428 Date drive wheel #2556 940.111, 944.011, 944.111, 947.111, 952.111, 954.111, 954.112, 2804-2, 2824-1, 2852, 2853, 2892-2, 2894-2, 2893-2, 2893-1, 2892A2, 2897, 2892, 2824-2, A Schild 554.111, Baume Mercier 45114, Bulova 1122.10, 1412.11, 2492.10, 2562.10, 2562.20, Kurth 731, 737, Tissot 2035, 3242, 3352, Omega 1110, 1120, Zenith 49.0, 49.5, 49.6, Omega 1128, 2500, 2500B, Sellita SW300
Auto-7631 Osc. weight w/ball bearings #1143/1 (284479) 2820R, 2821-2, 2821R, 2822R, 2823R, 2824-2, 2824R, 2825R, 2827R, 2828R, 2830R, 2831R, 2832R, 2834-1, 2834-2, 2834R, 2836-1, 2836-2, 2836R, 2837R, 2838R 2839R, Bulova 1373.11, 1373.50, 1412.11, 1413.10, 1413.11, 1413.30, Movado 341, Tissot 3103, 3104, 3108, Sellita SW200-1, SW220-1, SW240-1   Auto-8433 Screw f/ ball bearing unit #51497 2550R, 2551R, 2650, 2650R, 2651, 2651R, 2658, 2658R, 2670, 2670R, 2671, 2671R, 2677, 2677R, 2678, 2678R, 2685, 2681 Bulova 1233.11, 1233.50, 1592.10, Tissot 2322, 2342, 2371, 2372, 2392, Omega 721, Zenith 2671
Auto-7632 Reduction gear #1481 (001676) 2820, 2820R, 2821-2, 2821R, 2822, 2822R, 2823, 2823R, 2824, 2824-2, 2724R, 2825, 2825R, 2826, 2826R, 2827, 2827R, 2828, 2828R, 2829, 2829R, 2830, 2830R, 2831, 2831R, 2832, 2832R, 2834, 2834-1, 2834-2, 2834R, 2836, 2836-2, 2837, 2837R, 2838, 2838R, 2839, 2839R, 2836-1, 2846, 2824-1 Bulova 1373.11, 1373.50, 1412.11, 1413.10, 1413.11, 1413.30, Movado 341, Tissot 3103, 3104, 3108   Auto-8501 Pawl winding wheel w/pinion # 1488 (002366) 2890, 2892 series, 2893 series, 2895 series and 2896 Omega 1110, 1120, 1128, 2500, 2500B, 3220, 1138, 1140, 1141, 1143
Auto-7633 Drive gear #1482 (001685) 2821-2, 2823, 2823R, 2824, 2824-2, 2824R, 2827, 2827R, 2828, 2828R, 2829, 2829R, 2830R, 2831, 2831R, 2832, 2832R, 2834, 2834-1, 2834-2, 2834R, 2836, 2836-2, 2836R, 2837, 2837R, 2838, 2838R, 2839, 2839R, 2836-1, 2846, 2820, 2824-1 Bulova 1373.11, 1373.50, 1413.10, 1413.11, 1413.30, Movado 341, Tissot 3103, 3104, 3108   Auto-8502 Intermediate reduction gear #1490 (207784) 2890, 2892, 2892-2, Tissot 3132, Omega 1120, 1110, 3220, 1138, 1140, 1141, 1143, Zenith 49.0
Auto-7634 Pawl winding & pinion #1488 (002343) 2821-1, 2821-2, 2824, 1714-1, 2824-2, 2824R, 2828, 2828R, 2829R, 2830, 2830R, 2831, 2831R, 2832, 2832R, 2834, 2834-1, 2834-2, 2834R, 2836, 2836-2, 2836R, 2837R, 2838, 2838R, 2836-1, 2846, 2820, 2829, 2826-2 Bulova 1373.11, 1373.50, 1413.10, 1413.11, 1413.30, Movado 341, Tissot 3103, 3104, 3108   Auto-8504 Auxillary reverser #1514 (001689) 2890, 2892, 2892-2, 2893-2, 2894-2, 2895-1, 2893-1, 2893-3, 2896, 2892A2, 2897, 2895-2 Omega 1110, Tissot 3132, Zenith 49.0
Auto-7635 Pawl widing wheel w/o pinion #1530 (141564) 2824, 2821, 2821-1, 2821-2, 2824-1, 2824-2, 2828, 2828R, 2829, 2829R, 2830, 2830R, 2831, 2831R, 2832, 2832R, 2834, 2834-1, 2834-2, 2834R, 2836, 2836R, 2837, 2837R, 2838, 2838R, 2836-1, 2846, 2820, 2826-2 Bulova 1373.11, 1373.50, 1413.10, 1413.11, 1413.30, Movado 341, Tissot 3103, 3104, 3108   Auto-8506 Date corrector lever #2539 (447173) 554.101, 554.121, 940.111, 944.011, 944.101, 944.111, 944.131, 954.031, 954.101, 954.112, 954.122, 2890, 954.031, 2894-2, 2892-2, 2895-1, 2893-3, 2892A2, A Schild 554.111, 554.121, Baume Mercier 45114, Bulova 2492.10, 2562.10, Kurth 731, Omega 1110, Tissot 2035, 3132, 3352, Omega 1120, Zenith 49.0, 49.5m 49.6m Omega 2500, 2500B, 2007A, Sellita SW300
Auto-7652 Automatic mainspring #771 (195301) 2842, 2821, 2821-1, 2821-2, 2821R, 2822, 2824, 2824-1, 2824-2, 2824R, 2825, 2825R, 2826, 2826R, 2827, 2827R, 2830, 2830R, 2831, 2831R, 2832, 2832R, 2834-1, 2834-2, 2834R, 2836, 2836-2, 2836R, 2837, 2837R, 2837, 2837R, 2838, 2838R, 2839, 2839R, 2836-1 Bulova 1373.11, 1373.50, 1412.11, 1413.10, 1413.11, 1413.30, Movado 341, Tissot 3103, 3104, 3108, Sellita SW240, SW220, SW200, SW200-1, SW220-1, SW240-1, Omega 1051   Auto-8514 Date corrector #2556 (191877) 2894-2, 940.111, 944.011, 944.111, 954.11, 954.112, 2892, 2892-2, 2895-1, 2892A2, A Schild 554.111, Baume Mercier 45114, Bulova 2492.10, 2562.10, Kurth 731, Omega 1110, 1120, 1128, 2500, 2500B, Tissot 2035, 3242, 3352, Zenith 49.5, 49.6, Sellita SW300
Auto-8037 Minute record wheel #8020 (104905) 7751, 7750, 7761, 7768, 7754 Mido 7750, Valjoux 7751, 7750, 7761, 7768, 7754, Sellita SW500   Auto-9207 Mainspring #770 (284032) 2892-2, 2892A2, 2893-2, 2893-1, 2894-2, 2895-1, 2895-2, 2896, 2897 Omega 1110, 1120, 1128, 2202A, 2500, 2628B, Sellita SW300
Auto-8038 Coupling clutch #8079 (105499) 7750, 7751, 7761, 7768 Mido 7750, Valjoux 7751, 7750, 7761, 7768   Auto-9414 Stop pinion #1471 2000, 2000-1 Omega 725, 2520
Auto-8039 Oscillating pinion #8086 (476601) 7750, 7751, 7761, 7753, 7768, A07.111 Mido 7750, Valjoux 7751, 7750, 7753, 7761, 7768, Sellita SW500   Auto-9422 Date jumper #2576 (149885) 2000, 2000-1 Omega 725, 2520
Auto-8040 Operating lever #8140 7750, 7751, 7761, 7768 Mido 7750, Valjoux 7751, 7750, 7761, 7768, Sellita SW500   Auto-9588 Stop click #1482 (461686) 7751, 7750, 7753 Valjoux 7751, 7750, 7753, Omega 1150, 1164, Sellita SW500
Auto-8045 Friction spring #8290 (104911) 7750, 7751, 7761, 7768, A07.111 Mido 7750, Valjoux 7751, 7750, 7761, 7768   Auto-9692S Chrono wheel bridge - Silver #8501 (104579) 7760, 7761, 7765 Valjoux 7760, 7761, 7765
Auto-8047 Operating and flyback lever #8335 (084770) 7750, 7751, 7761, 7768 Mido 7750, Valjoux 7751, 7750, 7761, 7768   Auto-9840 Date disc black w/white #'s 3:00 #2557 (118418) 2892, 2892A2, 2802, 2804-2, 2824-2, 2892 Omega 2500C, 1108, 1109, 1110, 1111, 1120, 2500A, 2500B, Sellita SW200, SW200-1, SW300
          Auto-9853 Reduction wheel #1481 (105553) N/A Sellita SW200, SW200-1, SW220, SW220-1, SW240, SW240-1, SW260, SW260-1
Auto-8048 Hammer spring #8350 (105496) 7750, 7751, 7761, 7768 Valjoux, 7750, 7751, 7761, 7768   Auto-9855 Auxillary reverser wheel # 1530 N/A Selitta SW200, SW240-1, SW220-1, SW200-1, SW220, SW240, SW260, SW260-1, SW290-1
Auto-8051 Hour recording wheel #8600 (431232) 7751, 7750, 7761, 7753, 7754, A07.211 Mido 7750, Valjoux 7751, 7750, 7761, Sellita SW500   Auto-9856 Reverser wheel #1488 N/A Selitta SW200, SW240-1, SW200-1, SW220-1, SW260, SW260-1, SW220, SW240, SW221-1

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