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Roamer (MST) – mainsprings for all calibers
218 calibers with mainspring dimensions
Choose the caliber of your Roamer movement. The caliber page shows the mainspring dimensions and – if in stock – the matching mainspring from our shop.
Note: We have transcribed this information to the best of our knowledge from the Générale Ressorts mainspring catalogue (GR 2, 1974). All information has been carefully checked but is provided without guarantee. Please check yourself before fitting that the mainspring fits, in particular height, diameter, thickness and length.
⚙️ All calibers
Roamer 0–99
Roamer 100–199
Roamer 200–299
- 202
- 225
- 226
- 227
- 228
- 229
- 234
- 235
- 236
- 238
- 240
- 241
- 242
- 243
- 246
- 247
- 249
- 250
- 251
- 252
- 253
- 254
- 256
- 257
- 260
- 261
- 262
- 263
- 264
- 265
- 271
- 272
- 273
- 274
- 276
- 277
- 279
- 280
- 281
- 284
- 287
- 288
- 291
- 292
- 293
- 294
- 296
- 297
- 298
- 299
Roamer 300–399
- 300
- 301
- 302
- 303
- 304
- 305
- 306
- 308
- 309
- 310
- 311
- 312
- 314
- 315
- 317
- 318
- 319
- 320
- 321
- 322
- 323
- 324
- 325
- 326
- 327
- 329
- 337
- 338
- 340
- 341
- 342
- 343
- 344
- 345
- 346
- 347
- 348
- 349
- 350
- 351
- 352
- 353
- 353 SC
- 354 Il
- 355
- 356
- 357
- 358
- 359
- 359 SC
- 360
- 361 Il
- 363
- 364
- 365
- 365 SC
- 366
- 367
- 368
- 368 SC
- 369
- 370
- 371
- 372
- 373
- 374
- 375
- 376
- 377
- 378
- 379
- 381
- 384
- 385
- 387
- 388
- 390
- 391
- 392
- 393
- 394
- 396
- 397
- 398
Roamer 400–499
- 400
- 401
- 402
- 403 à 406
- 407
- 408
- 409
- 410
- 411 Aut
- 413
- 414
- 415
- 416
- 417
- 417-27
- 417-27 sonnerie
- 421
- 422
- 423
- 424
- 425
- 426
- 427-27
- 427-27 sonnerie
- 428
- 429
- 430
- 431
- 432
- 436 Aut
- 436/7
- 437 Aut
- 439
- 440
- 444
- 450
- 451
- 465 Aut
- 466
- 467
- 468
- 471 Aut
- 475
- 476
Roamer 700–799
Roamer 800–899
Roamer 900–999
Roamer 1100–1199
Roamer 1600–1699
Roamer 4000–4099