Seiko Part Codes: Balance

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310003 (310-003)

Seiko part 310003 is a balance complete with stud. It's used in the following movements:

Cal. 5106 (Automatic (with hand winding)) — Find on eBay
Cal. 5126 (Automatic) — Find on eBay

310020 (310-020)

Seiko part 310020 is a balance complete with stud. It's used in the following movements:

Cal. 7S25 (Automatic) — Find on eBay
Cal. 7S26 (Automatic) — Find on eBay
Cal. 7S35 (Automatic) — Find on eBay
Cal. 7S36 (Automatic) — Find on eBay
Cal. 7S55 (Automatic) — Find on eBay
Cal. 7002 (Automatic) — Find on eBay
Cal. 7005 (Automatic) — Find on eBay
Cal. 7006 (Automatic) — Find on eBay
Cal. 7009 (Automatic) — Find on eBay
Cal. 7015 (Automatic) — Find on eBay
Cal. 7016 (Automatic) — Find on eBay
Cal. 7017 (Automatic) — Find on eBay
Cal. 7018 (Automatic) — Find on eBay
Cal. 7019 (Automatic) — Find on eBay
Cal. 7025 (Automatic) — Find on eBay

310030 (310-030)

Seiko part 310030 is a balance complete with stud. It's used in the following movements:

Cal. 5206 (Automatic (with hand winding)) — Find on eBay

310031 (310-031)

Seiko part 310031 is a balance complete with stud. It's used in the following movements:

Cal. 5245 (Automatic (with hand winding)) — Find on eBay
Cal. 5246 (Automatic (with hand winding)) — Find on eBay

310034 (310-034)

Seiko part 310034 is a balance complete with stud. It's used in the following movements:

Cal. 4S15 (Automatic (with hand winding)) — Find on eBay
Cal. 4S77 (Automatic (with hand winding)) — Find on eBay
Cal. 5216 (Automatic (with hand winding)) — Find on eBay
Cal. 5256 (Automatic (with hand winding)) — Find on eBay

310041 (310-041)

Seiko part 310041 is a balance complete with stud. It's used in the following movements:

Cal. 8L75 (Automatic (with hand winding)) — Find on eBay

310042 (310-042)

Seiko part 310042 is a balance complete with stud. It's used in the following movements:

Cal. 6S99 (Hand winding) — Find on eBay

310043 (310-043)

Seiko part 310043 is a balance complete with stud. It's used in the following movements:

Cal. 8L75 (Automatic (with hand winding)) — Find on eBay

310046 (310-046)

Seiko part 310046 is a balance complete with stud. It's used in the following movements:

Cal. 6R15 (Automatic (with hand winding)) — Find on eBay

310048 (310-048)

Seiko part 310048 is a balance complete with stud. It's used in the following movements:

Cal. 6R20 (Automatic (with hand winding)) — Find on eBay
Cal. 6R21 (Automatic (with hand winding)) — Find on eBay

310055 (310-055)

Seiko part 310055 is a balance complete with stud. It's used in the following movements:

Cal. 8R48 (Automatic (with hand winding)) — Find on eBay

310110 (310-110)

Seiko part 310110 is a balance complete with stud. It's used in the following movements:

Cal. 11 (Hand winding) — Find on eBay
Cal. 1104 (Hand winding) — Find on eBay

310150 (310-150)

Seiko part 310150 is a balance complete with stud. It's used in the following movements:

Cal. 15 (Hand winding) — Find on eBay
Cal. 1520 (Hand winding) — Find on eBay

310170 (310-170)

Seiko part 310170 is a balance complete with stud. It's used in the following movements:

Cal. 17 (Hand winding) — Find on eBay

310184 (310-184)

Seiko part 310184 is a balance complete with stud. It's used in the following movements:

Cal. 4R71 (Automatic (with hand winding)) — Find on eBay

310185 (310-185)

Seiko part 310185 is a balance complete with stud. It's used in the following movements:

Cal. 4R57 (Automatic (with hand winding)) — Find on eBay
Cal. 6R15 (Automatic (with hand winding)) — Find on eBay

310197 (310-197)

Seiko part 310197 is a balance complete with stud. It's used in the following movements:

Cal. 4R15 (Automatic) — Find on eBay
Cal. 4R16 (Automatic) — Find on eBay
Cal. 4R35 (Automatic (with hand winding)) — Find on eBay
Cal. 4R36 (Automatic (with hand winding)) — Find on eBay
Cal. 4R37 (Automatic (with hand winding)) — Find on eBay
Cal. 7S25 (Automatic) — Find on eBay
Cal. 7S26 (Automatic) — Find on eBay
Cal. 7S35 (Automatic) — Find on eBay
Cal. 7S36 (Automatic) — Find on eBay
Cal. 7S55 (Automatic) — Find on eBay

310198 (310-198)

Seiko part 310198 is a balance complete with stud. It's used in the following movements:

Cal. 4R38 (Automatic (with hand winding)) — Find on eBay
Cal. 4R39 (Automatic (with hand winding)) — Find on eBay

310210 (310-210)

Seiko part 310210 is a balance complete with stud. It's used in the following movements:

Cal. 21 (Hand winding) — Find on eBay
Cal. 2104 (Hand winding) — Find on eBay
Cal. 2118 (Hand winding) — Find on eBay

310220 (310-220)

Seiko part 310220 is a balance complete with stud. It's used in the following movements:

Cal. 2202 (Hand winding) — Find on eBay

310221 (310-221)

Seiko part 310221 is a balance complete with stud. It's used in the following movements:

Cal. 2205 (Automatic (with hand winding)) — Find on eBay
Cal. 2206 (Automatic (with hand winding)) — Find on eBay

310222 (310-222)

Seiko part 310222 is a balance complete with stud. It's used in the following movements:

Cal. 2220 (Hand winding) — Find on eBay

310240 (310-240)

Seiko part 310240 is a balance complete with stud. It's used in the following movements:

Cal. 2406 (Automatic (with hand winding)) — Find on eBay
Cal. 2409 (Automatic (with hand winding)) — Find on eBay
Cal. 2415 (Automatic (with hand winding)) — Find on eBay
Cal. 2418 (Automatic (with hand winding)) — Find on eBay
Cal. 2419 (Automatic (with hand winding)) — Find on eBay

310250 (310-250)

Seiko part 310250 is a balance complete with stud. It's used in the following movements:

Cal. 2501 (Automatic) — Find on eBay
Cal. 2505 (Automatic) — Find on eBay
Cal. 2517 (Automatic) — Find on eBay

310251 (310-251)

Seiko part 310251 is a balance complete with stud. It's used in the following movements:

Cal. 2519 (Hand winding) — Find on eBay

310253 (310-253)

Seiko part 310253 is a balance complete with stud. It's used in the following movements:

Cal. 2559 (Hand winding) — Find on eBay

310277 (310-277)

Seiko part 310277 is a balance complete with stud. It's used in the following movements:

Cal. 8R49 (Automatic (with hand winding)) — Find on eBay

310400 (310-400)

Seiko part 310400 is a balance complete with stud. It's used in the following movements:

Cal. 6218 (Automatic) — Find on eBay

310402 (310-402)

Seiko part 310402 is a balance complete with stud. It's used in the following movements:

Cal. 6216 (Automatic) — Find on eBay

310421 (310-421)

Seiko part 310421 is a balance complete with stud. It's used in the following movements:

Cal. 4205 (Automatic (with hand winding)) — Find on eBay
Cal. 4206 (Automatic (with hand winding)) — Find on eBay
Cal. 4207 (Automatic (with hand winding)) — Find on eBay
Cal. 4208 (Automatic (with hand winding)) — Find on eBay
Cal. 4216 (Automatic (with hand winding)) — Find on eBay
Cal. 4219 (Automatic (with hand winding)) — Find on eBay
Cal. 4225 (Automatic (with hand winding)) — Find on eBay
Cal. 4227 (Automatic (with hand winding)) — Find on eBay

310451 (310-451)

Seiko part 310451 is a balance complete with stud. It's used in the following movements:

Cal. 4500 (Hand winding) — Find on eBay
Cal. 4502 (Hand winding) — Find on eBay
Cal. 4520 (Hand winding) — Find on eBay
Cal. 4522 (Hand winding) — Find on eBay

310470 (310-470)

Seiko part 310470 is a balance complete with stud. It's used in the following movements:

Cal. 4005 (Automatic) — Find on eBay
Cal. 4006 (Automatic) — Find on eBay
Cal. 6215 (Automatic) — Find on eBay
Cal. 6245 (Automatic) — Find on eBay
Cal. 6246 (Automatic) — Find on eBay

310490 (310-490)

Seiko part 310490 is a balance complete with stud. It's used in the following movements:

Cal. 4420 (Hand winding) — Find on eBay

310560 (310-560)

Seiko part 310560 is a balance complete with stud. It's used in the following movements:

Cal. 5606 (Automatic (with hand winding)) — Find on eBay
Cal. 5619 (Automatic) — Find on eBay

310561 (310-561)

Seiko part 310561 is a balance complete with stud. It's used in the following movements:

Cal. 5625 (Automatic) — Find on eBay
Cal. 5626 (Automatic) — Find on eBay
Cal. 5641 (Automatic) — Find on eBay
Cal. 5645 (Automatic) — Find on eBay
Cal. 5646 (Automatic) — Find on eBay

310581 (310-581)

Seiko part 310581 is a balance complete with stud. It's used in the following movements:

Cal. 2706 (Automatic (with hand winding)) — Find on eBay

310610 (310-610)

Seiko part 310610 is a balance complete with stud. It's used in the following movements:

Cal. 6205 (Automatic) — Find on eBay
Cal. 6206 (Automatic) — Find on eBay
Cal. 6217 (Automatic) — Find on eBay
Cal. 6218 (Automatic) — Find on eBay

310611 (310-611)

Seiko part 310611 is a balance complete with stud. It's used in the following movements:

Cal. 6102 (Hand winding) — Find on eBay
Cal. 6105 (Automatic) — Find on eBay
Cal. 6106 (Automatic) — Find on eBay
Cal. 6109 (Automatic) — Find on eBay
Cal. 6117 (Automatic) — Find on eBay
Cal. 6118 (Automatic) — Find on eBay
Cal. 6119 (Automatic) — Find on eBay
Cal. 6138 (Automatic (with hand winding)) — Find on eBay
Cal. 6139 (Automatic) — Find on eBay

310615 (310-615)

Seiko part 310615 is a balance complete with stud. It's used in the following movements:

Cal. 6145 (Automatic) — Find on eBay
Cal. 6146 (Automatic) — Find on eBay

310617 (310-617)

Seiko part 310617 is a balance complete with stud. It's used in the following movements:

Cal. 6155 (Automatic (with hand winding)) — Find on eBay
Cal. 6156 (Automatic (with hand winding)) — Find on eBay
Cal. 6159 (Automatic) — Find on eBay

310620 (310-620)

Seiko part 310620 is a balance complete with stud. It's used in the following movements:

Cal. 6220 (Hand winding) — Find on eBay

310640 (310-640)

Seiko part 310640 is a balance complete with stud. It's used in the following movements:

Cal. 3180 (Hand winding) — Find on eBay
Cal. 5722 (Hand winding) — Find on eBay

310660 (310-660)

Seiko part 310660 is a balance complete with stud. It's used in the following movements:

Cal. 66 (Hand winding) — Find on eBay
Cal. 6602 (Hand winding) — Find on eBay
Cal. 6618 (Hand winding) — Find on eBay
Cal. 6619 (Automatic) — Find on eBay

310680 (310-680)

Seiko part 310680 is a balance complete with stud. It's used in the following movements:

Cal. 44 (Hand winding) — Find on eBay
Cal. 4402 (Hand winding) — Find on eBay

310820 (310-820)

Seiko part 310820 is a balance complete with stud. It's used in the following movements:

Cal. 7619 (Automatic) — Find on eBay
Cal. 7625 (Automatic) — Find on eBay

310913 (310-913)

Seiko part 310913 is a balance complete with stud. It's used in the following movements:

Cal. 9119 (Hand winding) — Find on eBay

311601 (311-601)

Seiko part 311601 is a balance complete. It's used in the following movements:

Cal. 63 (Hand winding) — Find on eBay
Cal. 6306 (Automatic) — Find on eBay
Cal. 6308 (Automatic) — Find on eBay
Cal. 6309 (Automatic) — Find on eBay
Cal. 6319 (Automatic) — Find on eBay
Cal. 6349 (Automatic) — Find on eBay

311710 (311-710)

Seiko part 311710 is a balance complete. It's used in the following movements:

Cal. 2906 (Automatic (with hand winding)) — Find on eBay
Cal. 2919 (Automatic (with hand winding)) — Find on eBay
Cal. 2949 (Automatic (with hand winding)) — Find on eBay