Watch Database

    Mainspring

    For IWC 52 20

    1.55 x 0.105 x 280 x 9.0 mm

    GR Reference #: GR4390

    Height (H): 1.55mm

    Thickness (T): 0.105mm

    Total Length (TL): 280mm

    Barrel Diameter (BD): 9mm

    End Type: Manual

    To look for similar mainsprings that exactly match a specific dimension, select it from the links above.

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    Movement Listing

    This mainspring is used by the following movements:

    MovementDescriptionLigne
    A. Schild 10568.75
    Bulova 10BMCMECH SS10.5
    Bulova 10BMCMECH SS10.5
    Bulova C4240BULOVA CASE REFERENCE
    Bulova C852151BULOVA CASE REFERENCE
    Bulova C867741
    Bulova C877337BULOVA CASE REFERENCE
    Bulova C894020
    Citizen 4-095553CITIZEN CASE
    Citizen 4-140265CITIZE CASE REFERENCE
    Citizen 4-853628CITIZEN CASE
    Citizen 4-F51332CITIZEN CASE
    Citizen 4-K01582CITIZEN CASE
    Citizen 4-L02346CITIZEN CASE
    Citizen 4-S058384
    Citizen 4-S12312CITIZEN CASE
    Citizen 4-S15796CITIZEN CASE
    Citizen 4-S49399CITIZEN CASE REFERENCE
    Citizen 4-S50290CITIZEN CASE REFERENCE
    Citizen 4-S56905CITIZEN CASE
    Citizen 4-Y61167CITIZEN CASE
    Citizen H500MCITIZEN ECO-DRIVE
    Elgin 5/0S
    Fontainemelon 9244FF 3275.5 x 10
    Kienzle 059A/11PIN LEVER SS ROCK BAR WIND OFFSET CENTER WHL ADJ STUD HOLD8
    Kienzle 71/111.5
    Marvin 72321600 BPH DSS6.75
    Minerva 19-14
    Omega 16069OMEGA CASE - USES CALIBER 210/240
    Omega 2225OMEGA CASE USES CALIBER 100
    Omega 325B14K OMEGA CASE
    Seiko 1400-5810SEIKO CASE REFERENCE
    Seiko 2620-0170SEIKO CASE REFERENCE
    Seiko 2F50-6219SEIKO CASE 951201
    Seiko 4609-5000SEIKO
    Seiko 5A70-5390SEIKO CASE REFERENCE COSERVE 2003/2004
    Seiko 6206-8120SEIKO CASE REFERENCE
    Seiko 6530-5810SEIKO CASE REFERENCE
    Seiko 7430-5510SEIKO CASE REFERENCE
    Seiko 7750-533HSEIKO CASE REFERENCE
    Seiko 7L22-0AE0SEIKO CASE REFERENCE COSERVE 2005
    Seiko 7T92-0BG0SEIKO CASE REFERENCE COSERVE 2003/2004
    Seiko A547-5030SEIKO CASE REFERENCE
    Seiko V348-6000SEIKO CASE REFERENCE
    Seiko Y770-5110PULSAR CASE REFERENCE

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    Similar Mainspring Listing

    This mainspring is similar to that used by the following movements. When values differ the exact value is shown brackets for reference:

    MovementMainspringGR Reference #
    ETA 7651.45 (1.55) x 0.090 (0.105) x 315 (280) x 9.0 mm
    ETA 7661.45 (1.55) x 0.090 (0.105) x 315 (280) x 9.0 mm
    ETA 7671.45 (1.55) x 0.090 (0.105) x 315 (280) x 9.0 mm
    ETA 7681.45 (1.55) x 0.090 (0.105) x 315 (280) x 9.0 mm
    ETA 7691.45 (1.55) x 0.090 (0.105) x 315 (280) x 9.0 mm
    ETA 8421.45 (1.55) x 0.090 (0.105) x 315 (280) x 9.0 mm
    ETA 8431.45 (1.55) x 0.090 (0.105) x 315 (280) x 9.0 mm

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