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SKX013 Mirror Polished Silver Chapter Ring [ULTRA THIN EDITION]

Thinner than before. OEM was at 2mm width. We shaved it down to 1mm width for all our SKX013 chapter ring. Now with the Ultra Thin Edition, we further shave it down to 0.75mm width. A huge 62.5% reduction in width.

This helps to have a sightly more discreet chapter ring or to accommodate dials with indices that sits at 27mm and less.

A mirror polished silver chapter ring designed specifically for the replacement of SEIKO SKX013 original plastic chapter ring. An excellent cosmetic enhancement to create a lush and clean 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. Surface Finish Mirror Polished
    3. Color Silver
    4. Dimension 62% width reduction of OEM for greater clearance
    5. Outer Diameter 28.5mm
    6. Inner Diameter 27mm
    7. Pin Stabiliser* Without
      * 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. However, given the uniform structure and design of this chapter ring, alignment should not be affected. Alternatively, adhesive can be used to secure chapter ring alignment.
    8. Fit SKX013, SKX015, SKX017, all 7S26-0030 watch cases and our 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 23 reviews
Norm N. (Kendal, GB)
Using this mod part for: 36mm GS case from Lucius Atelier

Got this for a GS style build - great mirrored finish reflects light.

dsicko@gmail.com (Santa Fe, US)
Using this mod part for: Lucius Atelier Explorer cases, ultra thin and v3.
The best for SKX builds

Used with both ultra thin and v3 explorer cases. Wide enough to work with larger dial faces and polish adds nice touch. Can recommend wholeheartedly.

Louis W. (Louisville, US)
Awesome parts

Top shelf parts amazing customer service


Beautiful. The best quality pieces from this vendor.

Nick (Melbourne, US)
Polished ring

She’s shiny! Ties everything together very nicely.

Tim L. (Bei'an, TW)
Polished Silver Chapter Ring

It's beautiful

Bruno B. (Saujon, FR)
Using this mod part for: Skx013
Skx 013 mod

Super jolie !et plus qualitatif que l'original.
Merci Adriel au plaisir!

Jonty (Stuttgart, DE)
Using this mod part for: Skx013
Love it

Thought I’d try something new by going with a polished chapter instead of a brushed and am very happy I did. The dial reflects beautifully of it and gives the watch more depth.

brandon p. (Denver, US)
Using this mod part for: SKX013
amazing looking chapter ring!

Bought this one and the gold one cause i didnt know which one i wanted to use. Still cant figure out which since they both look so good!

Cho J. (Seocho-gu, KR)
Using this mod part for: SKX013
Delivered very quickly despite the COVID-19

Good Product!
Fast Shipping!!
Thanks seller!!