Mainspring

For Seiko 9721-5050

1.50 x 0.100 x 300 x 9.5 mm

GR Reference #: GR4122X

Height (H): 1.5mm

Thickness (T): 0.1mm

Total Length (TL): 300mm

Barrel Diameter (BD): 9.5mm

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:

Movement	Description	Ligne
Seiko Y100-4160	SEIKO CASE.
Bettlach 8400-74		10.5
Citizen 4-H14291	CITIZEN CASE REFERENCE
Bulova 527-1	BULOVA CASE REFERENCE
Gruen UT 497	UNITAS 497
Citizen 38-2639	CITIZE CASE REFERENCE
Citizen 4-940288	CITIZEN CASE
Citizen 4-085442	CITIZEN CASE
Lemania 8049-9049	TIMER-3 FUNCTIONS AT CROWN 1/83RD SECOND- 30 MINUTE RE	18
Citizen 4-154517	CITIZEN CASE
Citizen 4-154517	CITIZEN CASE
Citizen 4-158997	CITIZEN CASE
Omega 198.0065	OMEGA CASE USES CALIBER 1220
Citizen 4-275152	CITIZEN CASE
Citizen 4-296117	CITIZEN CASE
Citizen 4-360648	CITIZEN CASE
Citizen 4-752171	CITIZE CASE REFERENCE
Citizen 4-891392	CITIZE CASE REFERENCE
Citizen 4-940288	CITIZEN CASE
Citizen 4-F45464	CITIZEN CASE
Citizen 4-F91237	CITIZEN CASE
Citizen 4-H01903	CITIZEN CASE
Citizen 4-H14291	CITIZEN CASE REFERENCE
Elgin 37/S
Gruen UT 497	UNITAS 497
Lemania 8049-9049	TIMER-3 FUNCTIONS AT CROWN 1/83RD SECOND- 30 MINUTE RE	18
Mido 125		11.5
Omega 198.0065	OMEGA CASE USES CALIBER 1220
Omega 2436	OMEGA CASE USES CALIBER 360
Omega HH8663	OMEGA CASE REFERENCE
Phasar 144
Seiko 2A32-5160	SEIKO CASE REFERENCE
Seiko 4F32-0190	SEIKO CASE REFERENCE COSERVE 2003/2004
Seiko 5Y00-5000	SEIKO CASE REFERENCE
Seiko 7432-5040	SEIKO CASE REFERENCE
Seiko 7750-5089	SEIKO CASE REFERENCE
Seiko 7813-8010	SEIKO CASE REFERENCE
Seiko 8522-0010	SEIKO CASE REFERENCE
Seiko A158-5040	SEIKO CASE REFERENCE
Seiko H557-5000	SEIKO CASE REFERENCE
Seiko S119-5000	SEIKO CASE REFERENCE
Seiko V729-9A20	SEIKO CASE
Seiko Y100-4160	SEIKO CASE.
Seiko Y481-718A	PULSAR CASE REFERENCE
Seiko Y590-0050	PULSAR CASE REFERENCE
Standard 30	17 JEWELS	6.75 x 8

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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:

Movement	Mainspring	Buy
Bidlingmaier 103	1.50 x 0.100 x 320 (300) x 9.5 mm	Buy mainspring
Jeambrun 23D	1.45 (1.50) x 0.105 (0.100) x 300 x 9.5 mm	Buy mainspring
Langendorf 1233	1.50 x 0.100 x 290 (300) x 9.0 (9.5) mm	Buy mainspring
Langendorf 1261	1.50 x 0.100 x 290 (300) x 9.0 (9.5) mm	Buy mainspring
Langendorf 1235	1.50 x 0.100 x 290 (300) x 9.0 (9.5) mm	Buy mainspring
Langendorf 1133	1.50 x 0.100 x 290 (300) x 9.0 (9.5) mm	Buy mainspring
Langendorf 1262	1.50 x 0.100 x 290 (300) x 9.0 (9.5) mm	Buy mainspring
ETA 1259	1.50 x 0.100 x 290 (300) x 9.0 (9.5) mm	Buy mainspring
ETA 1257	1.50 x 0.100 x 290 (300) x 9.0 (9.5) mm	Buy mainspring
ETA 1256	1.50 x 0.100 x 290 (300) x 9.0 (9.5) mm	Buy mainspring
ETA 1258	1.50 x 0.100 x 290 (300) x 9.0 (9.5) mm	Buy mainspring
Dugena 603	1.50 x 0.100 x 290 (300) x 9.0 (9.5) mm	Buy mainspring
ETA 1285	1.50 x 0.100 x 290 (300) x 9.0 (9.5) mm	Buy mainspring
ETA 1286	1.50 x 0.100 x 290 (300) x 9.0 (9.5) mm	Buy mainspring
Girard Perregaux 47BF	1.50 x 0.100 x 290 (300) x 9.0 (9.5) mm	Buy mainspring
Langendorf 1233N	1.50 x 0.100 x 290 (300) x 9.0 (9.5) mm	Buy mainspring
Langendorf 1235N	1.50 x 0.100 x 290 (300) x 9.0 (9.5) mm	Buy mainspring
Langendorf 1261N	1.50 x 0.100 x 290 (300) x 9.0 (9.5) mm	Buy mainspring
Langendorf 1262N	1.50 x 0.100 x 290 (300) x 9.0 (9.5) mm	Buy mainspring
Girard Perregaux 45	1.50 x 0.110 (0.100) x 290 (300) x 9.5 mm	Buy mainspring
Puw 570	1.45 (1.50) x 0.110 (0.100) x 300 x 9.5 mm	Buy mainspring
Puw 54A	1.45 (1.50) x 0.110 (0.100) x 300 x 9.5 mm	Buy mainspring
Puw 54B	1.45 (1.50) x 0.110 (0.100) x 300 x 9.5 mm	Buy mainspring
Forster 80	1.45 (1.50) x 0.095 (0.100) x 320 (300) x 9.5 mm	Buy mainspring
Forster 81	1.45 (1.50) x 0.095 (0.100) x 320 (300) x 9.5 mm	Buy mainspring
Forster 91	1.45 (1.50) x 0.095 (0.100) x 320 (300) x 9.5 mm	Buy mainspring
Forster 191	1.45 (1.50) x 0.095 (0.100) x 320 (300) x 9.5 mm	Buy mainspring
Forster 90	1.45 (1.50) x 0.095 (0.100) x 320 (300) x 9.5 mm	Buy mainspring
Forster 800	1.45 (1.50) x 0.095 (0.100) x 320 (300) x 9.5 mm	Buy mainspring
Forster 190	1.45 (1.50) x 0.095 (0.100) x 320 (300) x 9.5 mm	Buy mainspring
Girard Perregaux 44	1.50 x 0.095 (0.100) x 280 (300) x 9.0 (9.5) mm	Buy mainspring
Heuer 1800	1.50 x 0.095 (0.100) x 280 (300) x 9.0 (9.5) mm	Buy mainspring
Winton 82	1.50 x 0.095 (0.100) x 280 (300) x 9.0 (9.5) mm	Buy mainspring
Kienzle 57/19	1.50 x 0.095 (0.100) x 280 (300) x 9.0 (9.5) mm	Buy mainspring
A. Schild 1481	1.50 x 0.095 (0.100) x 280 (300) x 9.0 (9.5) mm	Buy mainspring
Girard Perregaux 38	1.50 x 0.095 (0.100) x 280 (300) x 9.0 (9.5) mm	Buy mainspring
A. Schild 1302	1.50 x 0.095 (0.100) x 280 (300) x 9.0 (9.5) mm	Buy mainspring
Kasper 1000	1.50 x 0.100 x 260 (300) x 9.0 (9.5) mm	Buy mainspring
Tudor 390	1.45 (1.50) x 0.105 (0.100) x 280 (300) x 9.0 (9.5) mm	Buy mainspring
Kasper 1050	1.50 x 0.105 (0.100) x 260 (300) x 9.0 (9.5) mm	Buy mainspring
General 836	1.45 (1.50) x 0.110 (0.100) x 320 (300) x 10.0 (9.5) mm	Buy mainspring
General 838	1.45 (1.50) x 0.110 (0.100) x 320 (300) x 10.0 (9.5) mm	Buy mainspring
Elgin 813	1.45 (1.50) x 0.110 (0.100) x 320 (300) x 10.0 (9.5) mm	Buy mainspring
Certina 25-0723	1.45 (1.50) x 0.110 (0.100) x 320 (300) x 10.0 (9.5) mm	Buy mainspring
General 837	1.45 (1.50) x 0.110 (0.100) x 320 (300) x 10.0 (9.5) mm	Buy mainspring
Elgin 885	1.45 (1.50) x 0.110 (0.100) x 320 (300) x 10.0 (9.5) mm	Buy mainspring
Roamer 441	1.45 (1.50) x 0.110 (0.100) x 320 (300) x 10.0 (9.5) mm	Buy mainspring
Felsa 410	1.45 (1.50) x 0.110 (0.100) x 320 (300) x 10.0 (9.5) mm	Buy mainspring
Felsa 4002	1.45 (1.50) x 0.110 (0.100) x 320 (300) x 10.0 (9.5) mm	Buy mainspring
Felsa 4005	1.45 (1.50) x 0.110 (0.100) x 320 (300) x 10.0 (9.5) mm	Buy mainspring
Felsa 4033	1.45 (1.50) x 0.110 (0.100) x 320 (300) x 10.0 (9.5) mm	Buy mainspring
Felsa 4002N	1.45 (1.50) x 0.110 (0.100) x 320 (300) x 10.0 (9.5) mm	Buy mainspring
Felsa 4004	1.45 (1.50) x 0.110 (0.100) x 320 (300) x 10.0 (9.5) mm	Buy mainspring
Felsa 4006N	1.45 (1.50) x 0.110 (0.100) x 320 (300) x 10.0 (9.5) mm	Buy mainspring
Alpina 664	1.45 (1.50) x 0.110 (0.100) x 320 (300) x 10.0 (9.5) mm	Buy mainspring
Felsa 4005N	1.45 (1.50) x 0.110 (0.100) x 320 (300) x 10.0 (9.5) mm	Buy mainspring
Felsa 4000M	1.45 (1.50) x 0.110 (0.100) x 320 (300) x 10.0 (9.5) mm	Buy mainspring
Elgin 854	1.45 (1.50) x 0.110 (0.100) x 320 (300) x 10.0 (9.5) mm	Buy mainspring
General 841	1.45 (1.50) x 0.110 (0.100) x 320 (300) x 10.0 (9.5) mm	Buy mainspring
Gruen 550SS	1.45 (1.50) x 0.110 (0.100) x 320 (300) x 10.0 (9.5) mm	Buy mainspring
Gruen 580CD	1.45 (1.50) x 0.110 (0.100) x 320 (300) x 10.0 (9.5) mm	Buy mainspring
Certina 25-0721	1.45 (1.50) x 0.110 (0.100) x 320 (300) x 10.0 (9.5) mm	Buy mainspring
Felsa 4006	1.45 (1.50) x 0.110 (0.100) x 320 (300) x 10.0 (9.5) mm	Buy mainspring
Felsa 4008	1.45 (1.50) x 0.110 (0.100) x 320 (300) x 10.0 (9.5) mm	Buy mainspring
Felsa 4031	1.45 (1.50) x 0.110 (0.100) x 320 (300) x 10.0 (9.5) mm	Buy mainspring
Felsa 4009	1.45 (1.50) x 0.110 (0.100) x 320 (300) x 10.0 (9.5) mm	Buy mainspring
Felsa 4000	1.45 (1.50) x 0.110 (0.100) x 320 (300) x 10.0 (9.5) mm	Buy mainspring
Felsa 4007N	1.45 (1.50) x 0.110 (0.100) x 320 (300) x 10.0 (9.5) mm	Buy mainspring
Felsa 415	1.45 (1.50) x 0.110 (0.100) x 320 (300) x 10.0 (9.5) mm	Buy mainspring
Felsa 4007	1.45 (1.50) x 0.110 (0.100) x 320 (300) x 10.0 (9.5) mm	Buy mainspring
Certina 25-072	1.45 (1.50) x 0.110 (0.100) x 320 (300) x 10.0 (9.5) mm	Buy mainspring
Marvin 795	1.45 (1.50) x 0.110 (0.100) x 320 (300) x 10.0 (9.5) mm	Buy mainspring
Gruen 580SS	1.45 (1.50) x 0.110 (0.100) x 320 (300) x 10.0 (9.5) mm	Buy mainspring
Breitling 25	1.45 (1.50) x 0.110 (0.100) x 320 (300) x 10.0 (9.5) mm	Buy mainspring
Felsa 4000N	1.45 (1.50) x 0.110 (0.100) x 320 (300) x 10.0 (9.5) mm	Buy mainspring
Concord 251	1.45 (1.50) x 0.110 (0.100) x 320 (300) x 10.0 (9.5) mm	Buy mainspring
Eberhard 11501	1.45 (1.50) x 0.110 (0.100) x 320 (300) x 10.0 (9.5) mm	Buy mainspring
Eberhard 11500	1.45 (1.50) x 0.110 (0.100) x 320 (300) x 10.0 (9.5) mm	Buy mainspring
Felsa 697	1.45 (1.50) x 0.110 (0.100) x 340 (300) x 10.0 (9.5) mm	Buy mainspring
Felsa 690	1.45 (1.50) x 0.110 (0.100) x 340 (300) x 10.0 (9.5) mm	Buy mainspring

Watch Database

Mainspring

For Seiko 9721-5050

1.50 x 0.100 x 300 x 9.5 mm

GR Reference #: GR4122X

Height (H): 1.5mm

Thickness (T): 0.1mm

Total Length (TL): 300mm

Barrel Diameter (BD): 9.5mm

End Type: Auto

Movement Listing

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Similar Mainspring Listing

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