Description
These are NOS stems for Pulsar, Seiko and Lorus
Part Nos starting with 354 – Specialized calendar/movement stems
Sold individually (NOT ALWAYS IN BLISTER PACKS) or Packs of 3 (BLISTER)
Packs of are discounted (3 for the price of 2)
For other Seiko stems listings see below –
Part Nos starting with 351 – Standard winding stems
Part Nos starting with 357 – Double-key winding stems
Part Nos starting with 372 – Joint Stem (movement portion)
Part Nos starting with 373 – Joint stem (case portion)
When in doubt please refer to Official Seiko documentation
| Calibre | Brand Part | Pack Size | Description | Part Specific |
|---|---|---|---|---|
| 44a,4402a/b | 354001 | 1 | Specialized calendar/movement stems | |
| 7005a,7006a,7025a | 354015 | 1 | Specialized calendar/movement stems | |
| 7016a,7019a,7016a,7018a/b | 354020 | 1 | Specialized calendar/movement stems | Long Stem |
| 7016a,7019a,7016a,7018a/b | 354020 | 3 | Specialized calendar/movement stems | Long Stem |
| 7002a,7009a,7019a,7016a,7018a/b | 354022 | 1 | Specialized calendar/movement stems | |
| 4302a | 354041 | 1 | Specialized calendar/movement stems | |
| 531A, 532A, 533A, 534A | 354048 | 1 | Specialized calendar/movement stems | |
| 354050 | 1 | Specialized calendar/movement stems | ||
| 4312 | 354051 | 1 | Specialized calendar/movement stems | |
| 5855,5856,9256 | 354052 | 1 | Specialized calendar/movement stems | |
| 23a/b,2300a,2200a,2202a,2244a | 354230 | 1 | Specialized calendar/movement stems | |
| 2622/a,2623/a,2625,2626,Y433,Y450,Y468 | 354260 | 1 | Specialized calendar/movement stems | |
| M-55/6619 | 354417 | 1 | Specialized calendar/movement stems | |
| 8620a,8621a | 354460 | 1 | Specialized calendar/movement stems | |
| 5601a,5605a,5606a,5619a,5621a,5645a | 354560 | 1 | Specialized calendar/movement stems | |
| 6309a,6306a,6308a,6319a,6349a | 354601 | 1 | Specialized calendar/movement stems | |
| 603,6201a/b | 354613 | 1 | Specialized calendar/movement stems | |
| 6138a/b,6155a/6156a/b,6118,6119,6139 | 354616 | 3 | Specialized calendar/movement stems | (not for 6119,6139 with rotating bezel) |
| 6138a/b,6155a/6156a/b,6118,6119,6139 | 354616 | 1 | Specialized calendar/movement stems | (not for 6119,6139 with rotating bezel) |
| 6139a/b,6105b,6106b,6119c,6118a | 354617 | 1 | Specialized calendar/movement stems | same as 354615 |
| 6423a,6429a,6430a,6431a,9442a,9443a | 354641 | 1 | Specialized calendar/movement stems | |
| 5M22, 5M23, 5M43, 5M45, 5M62, 5M63 | 354651 | 1 | Specialized calendar/movement stems | |
| 6601a/b,245,2451 | 354692 | 3 | Specialized calendar/movement stems | |
| 6601a/b,245,2451 | 354692 | 1 | Specialized calendar/movement stems | |
| 6601a/b,245,2451 | 354693 | 1 | Specialized calendar/movement stems | |
| 2906,2919,2949 | 354710 | 1 | Specialized calendar/movement stems | |
| 2906,2919,2949 | 354710 | 3 | Specialized calendar/movement stems | |
| 394,395,6205b,6206a/b | 354721 | 1 | Specialized calendar/movement stems | |
| 850/1,860,7622a/c/d, 760,7622a/c/d | 354760 | 1 | Specialized calendar/movement stems | |
| Y121/e/g,Y120e,AL20,AL21/e,AL35,V515,PC21 | 354788 | 1 | Specialized calendar/movement stems | |
| 4005a,4006a | 354805 | 1 | Specialized calendar/movement stems | |
| 8305/c,8306a,8325a,8346a | 354849 | 1 | Specialized calendar/movement stems | |
| Y142a/b/,Y143A,Y147a/b,Al44a,8223a | 354866 | 1 | Specialized calendar/movement stems | |
| 7320/a,7321/a,7371/a | 354735 | 1 | Specialized calendar/movement stems |
Last Updated 11-Oct-2026
