Watch Database

    Mainspring

    For Citizen 31-6903

    1.45 x 0.085 x 240 x 7.5 mm

    GR Reference #: GR3930X

    Height (H): 1.45mm

    Thickness (T): 0.085mm

    Total Length (TL): 240mm

    Barrel Diameter (BD): 7.5mm

    End Type: Auto

    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 134911.5
    Bulova 2971.10BASIC PULSAR CALIBER Y591A
    Bulova 9PSEE AURORE 1
    Bulova C877357BULOVA CASE REFERENCE
    Citizen 4-098081CITIZEN CASE
    Citizen 4-221265CITIZEN CASE
    Citizen 4-321855CITIZE CASE REFERENCE
    Citizen 4-981456CITIZEN CASE
    Seiko 1N01-0K50
    Citizen 4-E41146CITIZEN CASE
    Citizen 4-E42177CITIZEN CASE
    Citizen 4-E66327CITIZEN CASE
    Citizen 4-E67366CITIZEN CASE
    Citizen 4-G01411CITIZEN CASE
    Citizen 4-L06783CITIZEN CASE
    Citizen 4-L07968CITIZEN CASE
    Citizen 4-L14867CITIZEN CASE
    Citizen 4-S06525CITIZE CASE REFERENCE
    Citizen 4-S07203CITIZE CASE REFERENCE
    Citizen 54-8057CITIZE CASE REFERENCE
    Citizen 86-2924CITIZE CASE REFERENCE
    ETA 278428,800 BPH AUTO CAL W/CORR.11.5
    Felsa 455018,000 BPH DSS11.5
    Hanhart 1037TIMER JEWELED LEVER SPLIT SEC19.5
    Hanhart 15619.5
    Landeron 349CHRONO 12 HR RECORDER13.75
    Omega 16245OMEGA CASE - USES CALIBER 540
    Omega 18381OMEGA CASE USES CALIBER 455
    Omega 591.3024OMEGA CASE
    Omega 6102ROMEGA CASE
    Omega 6654OMEGA CASE USES CALIBER 620
    Omega 796.812OMEGA CASE USES CALIBER 1360
    Omega B64893
    Pulsar VD56A3 HANDS W. 4 EYES 1/10 SEC CHRONO AND 24H INDICATOR12.75
    Seiko 1100-1519SEIKO CASE REFERENCE
    Seiko 1800-3050SEIKO CASE REFERENCE
    Seiko 1E70-0060SEIKO CASE REFERENCE COSERVE 2003/2004
    Seiko 1N01-0K50
    Seiko 1N01BSEIKO QUARTZ MOVEMENT
    Seiko 2107-7010SEIKO CASE REFERENCE
    Seiko 2F50-0299SEIKO CASE 08/12/98
    Seiko 2F50AQUARTZ ANALOG6.75
    Seiko 2P20-5G90SEIKO CASE REFERENCE
    Seiko 39539 JL-AUTO-DSS-CALD12
    Seiko 4006-7011SEIKO
    Seiko 5Y22-8079SEIKO CASE REFERENCE
    Seiko 6117-6419SEIKO
    Seiko 8523-5100SEIKO CASE REFERENCE
    Seiko 9020-5360SEIKO CASE REFERENCE
    Seiko 9559-6029SEIKO CASE REFERENCE
    Seiko H449-5190SEIKO CASE REFERENCE
    Seiko L823-4060SEIKO CASE REFERENCE
    Seiko V400-0410SEIKO CASE REFERENCE COSERVE 2003/2004
    Seiko V744-X004SEIKO CASE REF - COS,AF NO LISTING - DO NOT MAKE BO'S! 10/20/03
    Seiko V811-003ASEIKO CASE REFERENCE
    Seiko V811-1080SEIKO CASE 08/12/98
    Seiko Y142-5060LORUS CASE REFERENCE
    Seiko Y590-5440PULSAR CASE REFERENCE
    Seiko Y771-4000PHASAR CASE REFERENCE
    Timex M6713.5
    Venus 9710.5

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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 #
    International Durowe 5521.40 (1.45) x 0.110 (0.085) x 260 (240) x 9.0 (7.5) mm

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