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Seiko (TMI) NH72 Automatic Movement - Skeleton Ruthenium Grey

Genuine SEIKO NH72 Movement. A skeleton display with Côtes de Genève decorated rotor.

The TOP choice for movement swap with a complete view of the movement from the watch face. Appreciating the beauty and intricacy of a mechanical movement.

**Comes fitted with a dial holding spacer for easily swap and installation.

With two available options:

    Hugely improved on the accuracy! These are regulated by certified watchmakers from 0 to +8 seconds per day.
    Fresh out of the factory defaults without any regulation. Accuracy are in accordance to SEIKO's specification of -20 to +40 seconds per day.
Learn how to upgrade your movement, click here

IMPORTANT: Movement upgrade/swap is ONLY recommended for individuals with the right skillsets and experience. Lucius Atelier is not responsible for any damage to the movement during the fitting process. All movements passed Time Module Inc. (TMI) QC prior to shipping are guaranteed to be a fully functional movement. Given the high degree of DIY nature and Seiko's trade practices, unfortunately, we are unable to accept any returns.

Made by Time Module Inc. (TMI)


    1. Manufacturer Time Module Inc. (TMI)
    2. Caliber NH72A
    3. Movement Colour Ruthenium Grey
    4. Movement Type Automatic, Mechanical
    5. Hand Height Type M
    6. Movement Diameter 27.40mm
    7. Casing Diameter 29.36mm (with dial holding spacer)
    8. Movement Height 5.32mm
    9. Jewels 24 jewels
    10. Beats Per Hour 21,600 vph (6 vibrations per second)
    11. Special Feature Skeleton (Complete display of movement)
    12. Hacking Yes
    13. Manual Winding Yes
    14. Winding Direction Clockwise
    15. Power Reserve More than 41 Hours
    16. Hands Fitting Size H:1.5mm, M:0.88mm, S:0.2mm
    1. Movement x1
    2. Full length threaded stem x1
    3. Dummy stem & plastic crown x1
    1. To learn how to upgrade your movement, search YouTube: NH36 Movement Upgrade

Customer Reviews

Based on 10 reviews
Jason H. (Tower Hamlets, GB)
Using this mod part for: Skx007

Looks great and arrived quickly

Martin T. (Brisbane, AU)
Using this mod part for: The case is aftermarket bell& Ross which will be a skeleton the back is non crystal
Seiko NH 72 movement

Extremely fast delivery the packaging was well done the movement itself is great and I especially liked the note from Adriel

Manuel M. (Albuquerque, US)
Best NH movements on the market

I love this movement. It is well finished and is very reliable. Adriel is a great and reliable seller.

Brian (Chicago, US)

Regulation was perfect and product showed up faster than expected.

Jeremy R. (Saint-Germain-en-Laye, FR)
Using this mod part for: Aftermarket cases sub style + jubilee
NH72 regulated

Very nice product well regulated and well packaged. Arrived faster than expected. I am very happy.

Michael G. (Gilbert, US)

This movement is beautiful! I fit it with a regular dial and it still looks excellent from behind.

T.L. (Taoyuan District, TW)
Seiko NH72

I love it ,it's beautiful

Joshua w. (Sherwood, US)
Using this mod part for: All models, mainly SkX007
Hands down best quality

I’ve been modding for at least 2 years now and you guys are by far the best one stop shop out there. The quality is 10/10. The skeleton movement is precise and has to be my favorite mod thus far. Overall experience Is easily 10/10

Lukasz (Oslo, NO)
Using this mod part for: GS
Grand seiko

Excellent !

Kent A. (Victoria, CA)
Using this mod part for: Seikonaut case
Amazing quick shipping .

Well packaged and easy to track . Showed up quicker than expected . Products even better than expected .