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SKX013 Brushed Black Chapter Ring - White Numerals

A brushed black chapter ring with white hour numerals and minute markers designed specifically for the replacement of SEIKO SKX013 original plastic chapter ring or for use on our cases. An excellent cosmetic enhancement to create a unique visual.

Dimension of this chapter ring has been customised for greater clearance, perfect fitting and pairing of our dials onto SKX013.

Made exclusively for us with quality assurance by ISO 9001 Certified manufacturers.


    1. Quality Swiss Production Quality, ISO 9001 Certified
    2. Material Brass
    3. Surface Finish Brushed
    4. Colour Black
    5. Hour Markers White, Numerals
    6. Minute Markers White
    7. Dimension Half the size of OEM for greater clearance
    8. Outer Diameter 28.5mm
    9. Inner Diameter 26.5mm
    10. Pin Stabiliser* No
      * SKX013 original plastic chapter ring has a protruding pin at the base to stabilise the alignment of its hour and minute markers to the watch dial. You will need to manually align and adhere this chapter ring to the dial
    11. Fit Diver's Watch Case - 38mm, SKX013, SKX015, SKX017 and all 7S26-0030 Watch Cases
    1. 1x Chapter Ring

    All photos of watches with modification parts are for illustration purposes only and are not included with modification parts purchased.

  • Recommended Mods With:

    1. Watch Dials with 100% Swiss Super-LumiNova BGW9 Blue Lume
    2. Watch Hands with 100% Swiss Super-LumiNova BGW9 Blue Lume

Customer Reviews

Based on 7 reviews
David D. (Brooklyn, US)
Never received package

Item shows as delivered in LA’s system, but I never got it.

Fay's (Marseille, FR)
Using this mod part for: Skx013
Le seul site avant autant de choix pour la skx013

Top qualité rien à redire


Great little chapter ring and unique for the size with the second counter numerals. Finished off the small pilot style watch that I was building perfectly.

Por C.L. (Fresno, US)
Using this mod part for: Skx013
Great product and great service.

Chapter ring is solid and well made. Does not feel cheap like other rings out there.

ju-won l. (Gwangju, KR)
Using this mod part for: skx009
a good item

I was thinking about the model.
I think it's released well.
It's a small part, but the details are good.
We hope to launch a better and more ingenious item.

Guy B. (Leicester, GB)
Using this mod part for: Aftermarket Heimdallr Monster case
Exceptional quality

I bought this SKX013 chapter ring for a Seiko monster mod project. The updated dimensions allowed me to use a full sized dial. The quality of the part is exceptional, the numbers and markers are very crisp!

Rene C. (Veracruz, MX)
Using this mod part for: SKX013
Excellent Chapter Ring

Very well done the numbers are well screen printed and very well defined