Watch Database

    Mainspring

    For Seiko 20

    2.90 x 0.230 x 540 x 18.0 mm

    Height (H): 2.9mm

    Thickness (T): 0.23mm

    Total Length (TL): 540mm

    Barrel Diameter (BD): 18mm

    End Type: DBH

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

    Buy this mainspring

    GR Approximation

    This mainspring does not have a GR reference. The following GR mainsprings are the closest fit, when values differ the exact value is shown brackets for reference:

    GR Reference #MainspringBuy
    GR71241DBH2.90 x 0.225 (0.230) x 540 x 18.0 mm
    Buy mainspring
    GR71211DBH2.90 x 0.220 (0.230) x 540 x 18.0 mm
    Buy mainspring

    Movement Listing

    This mainspring is used by the following movements:

    MovementDescriptionLigne
    Citizen 4-F41370CITIZEN CASE
    Bulova C3644BULOVA CASE REFERENCE
    Bulova C877125CARAVE CASE REFERENCE
    Citizen 4-038886CITIZEN CASE
    Citizen 4-F41370CITIZEN CASE
    Citizen 4-076125CITIZEN CASE
    Citizen 4-0842241CITIZE CASE REFERENCE
    Citizen 4-102983CITIZEN CASE
    Citizen 4-G00082CITIZE CASE REFERENCE
    Citizen 4-222211CITIZE CASE REFERENCE
    Citizen 4-265858CITIZEN CASE
    Citizen 4-271955CITIZEN CASE
    Seiko 1320-5630SEIKO CASE REFERENCE
    Citizen 4-285662CITIZEN CASE
    Citizen 4-5Y1111CITIZE CASE REFERENCE
    Citizen 4-663381CITIZEN CASE
    Citizen 4-222211CITIZE CASE REFERENCE
    Citizen 4-799135CITIZEN CASE
    Citizen 4-F41370CITIZEN CASE
    Citizen 4-F61541CITIZEN CASE
    Citizen 4-F61796CITIZEN CASE
    Citizen 4-G00082CITIZE CASE REFERENCE
    Citizen 4-G07699CITIZEN CASE
    Citizen 4-G07974CITIZEN CASE
    Citizen 4-K04867CITIZEN CASE
    Citizen 4-L01587CITIZEN CASE
    Citizen 4-R05547CITIZEN CASE
    Citizen 4-S005612CITIZEN CASE REFERENCE
    Citizen 4-S38893CITIZEN CASE
    Citizen 4-S59335CITIZEN CASE
    Citizen 74-6037CITIZE CASE REFERENCE
    Citizen EA1602CITIZE CASE REFERENCE
    Citizen QC5132CITIZE CASE REFERENCE
    Elgin EM720-009ELGIN
    ETA 99622 ETA 81012
    Eterna 149221,600 BPH CHRONO13
    Felsa 46911.5
    Hamilton 87990HAMILT CASE REFERENCE
    Kienzle 46/0E19.5
    Mido 3035MIDO CASE REFERENCE
    Omega 2348OMEGA CALIBER CASE USES 280
    Omega 391.0812OMEGA CASE REFERENCE
    Omega 611.093OMEGA CASE USES CALIBER 484
    Puw 146318000 BPH DSS AUTO CAL DAY-DATE11.5
    Roamer 354PIN LEVER-ONE DAY ALARM CLOCK-KEYWIND22
    Seiko 0139-5019SEIKO CASE REFERENCE
    Seiko 1100-0890SEIKO CASE REFERENCE
    Seiko 1320-5630SEIKO CASE REFERENCE
    Seiko 2100-3150SEIKO CASE REFERENCE
    Seiko 2E50-5059SEIKO CASE REFERENCE
    Seiko 2K22-0070SEIKO CASE REFERENCE COSERVE 2003/2004
    Seiko 3M21-0A50SEIKO CASE REFERENCE COSERVE 2003/2004
    Seiko 5E29-6A50SKO OVERSEAS CS REF:NO CLASPS OR BDS AVAIL.,PER COSERVE
    Seiko 5J32-0AG0SEIKO CASE REFERENCE COSERVE 2003/2004
    Seiko 6106-8067SEIKO
    Seiko 7123-519ASEIKO CASE REFERENCE
    Seiko 7750-5109SEIKO CASE REFERENCE
    Seiko 7N42-F001SEIKO CASE 961004
    Seiko 7N89-6B3ASEIKO CASE 951201
    Seiko 7T32-7A50SEIKO CASE REFERENCE
    Seiko H259-500ASEIKO CASE REFERENCE
    Seiko V329-6285
    Seiko VX89-0AB0SEIKO CASE REFERENCE COSERVE 2003/2004
    Seiko Y112-5000PULSAR CASE REFERENCE
    Seiko Y482-0020LORUS CASE REFERENCE
    Timex 4885210978TIMEX CASE REFERENCE

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    Similar Mainspring Listing

    This mainspring is similar to the mainspring used by the following movements. A similar mainspring differs slightly in one or more dimensions but may possibly still work as a replacement. When values differ the exact value is shown brackets for reference:

    MovementMainspringBuy
    Mainspring WATCH2.90 x 0.220 (0.230) x 540 x 18.0 mm
    Buy mainspring
    Elgin 2882.90 x 0.220 (0.230) x 540 x 18.0 mm
    Buy mainspring
    A Michel PW MNSPRGS 14.952.90 x 0.220 (0.230) x 540 x 18.0 mm
    Buy mainspring
    Elgin 3362.90 x 0.220 (0.230) x 540 x 18.0 mm
    Buy mainspring

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