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    ⚙ CONFIGURATOR
    Build Your Own Visually

    SKX013 Diver 38 Black Ultra Thin Edition — side profile showing 10.86mm ultra-thin case thickness

    Ultra Thin Edition
    Seikonaut Bracelet 20/16mm [TITANIUM] - - - - Lucius Atelier - Swiss Quality Seiko Watch Mod Parts

    Seikonaut
  • SEIKO MOD PARTS
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  • ⚙ CONFIGURATOR
    Build Your Own Visually

  • SKX013 Diver 38 Black Ultra Thin Edition — side profile showing 10.86mm ultra-thin case thickness

    Ultra Thin Edition
  • Seikonaut Bracelet 20/16mm [TITANIUM] - - - - Lucius Atelier - Swiss Quality Seiko Watch Mod Parts

    Seikonaut
    • Home / Products / Seiko NH Automatic Movement Stem
    Seiko NH Automatic Movement Stem - 1 - - - Lucius Atelier - Swiss Quality Seiko Watch Mod Parts
    Seiko NH Automatic Movement Stem - 3 - - - Lucius Atelier - Swiss Quality Seiko Watch Mod Parts
    Seiko NH Automatic Movement Stem - 1 - - - Lucius Atelier - Swiss Quality Seiko Watch Mod Parts
    Seiko NH Automatic Movement Stem - 3 - - - Lucius Atelier - Swiss Quality Seiko Watch Mod Parts

    Seiko NH Automatic Movement Stem

    $7 SGD - $49 SGD
    See It On A Watch
    Worldwide
    Delivery         Express
    2–4 Days         Replies In
    1 Day         30-Day
    Returns
    Genuine SEIKO full length threaded stem for NH34, NH35, NH36, NH37, NH38, NH39, NH70, NH71 and NH72 movements.

    Part Code: 0351 2000

    Made by Time Module Inc. (TMI)

    FREE WORLDWIDE SHIPPING
      1. Manufacturer Time Module Inc. (TMI)
      2. SEIKO Part Code 0351 2000
      3. Fit Movements NH34, NH35, NH36, NH37, NH38, NH39, NH70, NH71, NH72
      1. Full length threaded stem x1 or x3 or x10

    Questions, Answered

    Everything worth knowing before you build.

    NH34 vs NH35 vs NH36 vs NH38 vs NH70 — what is the actual difference?

    They are the same movement — only the complication differs. Every one: 24 jewels, −20 to +40 sec/day, 21,600 vph, 41h power reserve, casing Ø29.36mm with the spacer.

    | Movement | Shows |
    |---|---|
    | **NH34** | Date + GMT |
    | **NH35** | Date |
    | **NH36** | Day date |
    | **NH38** | Open Heart |
    | **NH70/71/72** | Skeleton |

    All of them hack (the seconds hand stops while you set). On the NH38 and the NH70 family the crown has one click and it sets the time, so a no-date dial belongs on an NH38 — there is no empty date position to pull past.

    Only the height differs: 7.59mm installed, 7.99mm for the NH34. That extra 0.4mm of hand stack is why a GMT needs a case built for it. Otherwise the family is interchangeable — you are choosing a dial and a crown behaviour, not a different-sized engine.

    Customers praised this precision-made stem for NH movements as "OEM quality" with perfect fitment. Reviews highlighted fast shipping, excellent packaging, and "strong stems that are precisely manufactured." Shoppers appreciated receiving 2 stems per order and competitive pricing. All 14 reviews gave 5-star ratings, with customers noting hassle-free installation.

    • Precision made stems that are more than a work bench commodity. Definitely OEM quality.
    • Strong stems that are precisely manufactured. No issues getting your NH36 movement winding!
    • They give you 2! Seller understands the intricate nature of replacing watch parts.
    Movement (positive)Fitment (positive)Shipping (positive)Price (positive)Case (positive)
    • 5 stars: 14 (100%)
    • 4 stars: 0 (0%)
    • 3 stars: 0 (0%)
    • 2 stars: 0 (0%)
    • 1 star: 0 (0%)
    A
    Alex (Valley Stream, US)
    Using this mod part for: skx013 NH70
    Works like Seiko!

    The stem functions exactly as it is supposed to, can't say much more than that.

    Alex review photo Alex review photo
    J
    Jorge R. (Guilford, US)
    Using this mod part for: Seikonaut 36mm
    My Tiffany Seikonaut 36mm

    I ordered the stem with the Seikonaut 36mm case, it is a perfect fit. Lucius offers fast shipping and the delivery is outstanding. It looks so classy. Stem to case fitment is excellent. I cannot thank Lucius enough for precutting the stem to fit my Seiko NH35A movement. Less hassle. Perfect case size, the 36mm wears like a 40mm. Thank you. Jorge

    Jorge R. review photo Jorge R. review photo Jorge R. review photo Jorge R. review photo Jorge R. review photo
    M
    Michael (San Jose, US)
    Using this mod part for: skx009
    They give you 2!

    Given the intricate nature of replacing watch parts. Its nice to know that the seller understands.

    Michael review photo Michael review photo
    K
    Kurt B. (Matthews, US)
    Small item…but perfect

    Small item….but perfect! These are precision made stems that are more than a work bench commodity. For Seiko NH movements these are definitely OEM qualiry.

    V
    Vic H. (Evans, US)
    Using this mod part for: NH36
    Good selection, good prices

    I just needed a stem for the NH36 and Lucius had them at a very good price. Shipping for only one inexpensive item was very reasonable and it arrived several weeks later (customs, etc). I'll be shopping on the site soon for a case as I plan to be designing my own watches

    T
    Thibaud G. (La Baule-Escoublac, FR)
    Using this mod part for: starbucks mod
    impeccable

    Article reçu rapidement, et soigneusement emballé.
    Bonne qualité, ajustage et montage rapide.
    Exactement ce qu'il me fallait !

    A
    Arturo

    Good

    P
    Philip F. (San Francisco, US)
    Using this mod part for: NH35 Scratch Build in the GS Watch Case - 36mm v2
    GS Watch Case - 36mm v2 and miscellaneous items

    Everything came, faster than I was expecting. Each item, of varying sizes came individually packaged and protected within the delivery. All the parts look great, overall very happy.

    S
    Sean K. (Sidney, CA)
    Using this mod part for: Aftermarket cases
    Stems

    Fast shipping great customer service. Would definitely recommend. Quality products.

    R
    Ramzi A. (Lubbock, US)
    Using this mod part for: Seiko SKX 007
    Seiko NH Automatic Movement Stem

    Simply the right spare part.

    F
    Fred_Dee (‘Aiea, US)
    Seiko Explorer

    Amazing case and size. I can finally use my 22mm watch bands in it.

    B
    Bruno B. (Saujon, FR)
    Skx 013 mod

    Pas utilisé sorry....

    K
    K S. (Edmonton, CA)
    OEM quality

    The title says it all! High quality wares.

    Hey Kirk!

    Appreciate your review. Thanks!!!

    This NH Stem is directly from SEIKO. It is genuine OEM, not aftermarket. Haha.

    Cheers, Adriel

    G
    Gabe W. (Kanata, CA)
    Using this mod part for: Explorer-Style Case by Lucius Atelier
    Just Right!

    Strong stems that are precisely manufactured. There will be absolutely no issues whatsoever in getting your NH36 movement winding!

    A
    Andrew M.

    I have selected your Seiko NH Automatic movement stem / Part code 03512000 - Will this fit my Seiko NE15C movement which is the same as the 6r15 movement - thanks Andrew...

    Adriel from LuciusAtelier.com

    Hello Andrew!

    Thank you for expressing interest in our mod parts!

    Unfortunately, I have never worked with NE15 movement so I cannot advise on it compatibility. I highly recommend you contact Seiko Service Centre to advise on the parts compatibility.

    Hope this helps. Let me know if you have any more questions.

    Cheers,
    Adriel

    P
    Peter

    Will this (0351 2000) fit on a NH34 movement? Thanks.

    Adriel from LuciusAtelier.com

    Hello Athena!

    Thank you for expressing interest in our mod parts!

    >> Will this (0351 2000) fit on a NH34 movement?
    Yes.

    Hope this helps. Let me know if you have any more questions.

    Cheers,
    Adriel

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