SKX013 Brushed Black Chapter Ring - White Numerals - - - - Lucius Atelier - Swiss Quality Seiko Watch Mod Parts

Discontinued

SKX013 Brushed Black Chapter Ring - White Numerals

Name: SKX013 Brushed Black Chapter Ring - White Numerals
Brand: Lucius Atelier
SKU: SKX013 B.Blk-W.No._CR
Price: 25.0 SGD
Availability: OutOfStock
Rating: 4.6 (10 reviews)

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$25 SGD

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A brushed black chapter ring for SKX013 builds.

A 1mm-wide replacement for the SEIKO SKX013 original plastic chapter ring, or for use on our cases. Dimensions customised for greater clearance, perfect fitting and a clean pairing with our dials. A cosmetic enhancement that sharpens the whole dial.

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

Specs
What's Included
Recommended

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 1mm (width reduction of OEM for greater clearance)
8. Outer Diameter 28.5mm
9. Inner Diameter 26.5mm
10. Pin Stabiliser Without — uniform design holds alignment; adhesive may be used to secure
11. Fit SKX013, SKX015, SKX017, all 7S26-0030 cases, and our cases
1. 1x Chapter Ring
All photos of watches with modification parts are for illustration only and are not included with the chapter ring purchase.
Recommended mods with:
1. Seiko Mod Dials
2. Seiko Mod Hands

What is a chapter ring on a watch?

The chapter ring is the ring that sits between the dial edge and the case, carrying the minute and hour markings around the dial. On SEIKO's SKX models it's a plastic part from the factory; ours is machined brass with printed markings for a crisper, more finished look. Swapping it is one of the simplest cosmetic upgrades in a Seiko mod — a small part with a big effect on how sharp the dial side reads.

What is an SKX013 chapter ring and why does it matter?

A specific size and spec used by Seiko in the SKX013 (discontinued 2019). The LA smaller-case lineup all uses this same spec, which means dozens of chapter ring designs work across every smaller case in the catalogue.

Will this chapter ring fit my SKX013?

Yes — it's made for the SKX013 and also fits the SKX015, SKX017, all 7S26-0030 watch cases, and our own cases. Dimensions are customised over the OEM ring for greater clearance and a clean pairing with our dials.

How does the chapter ring stay aligned without the OEM's pin?

The SKX013's original plastic chapter ring has a protruding pin at its base to lock the hour and minute markers in line with the dial. Our ring does away with the pin — its uniform structure means alignment isn't affected in normal fitting. If you want it locked absolutely solid, a small amount of adhesive can be used to secure the ring's position.

Should I choose the normal or the ultra thin chapter ring?

The choice depends on your dial, not the case — both sizes fit every Ultra Thin Edition case. If your dial has applied (raised) indices, the ultra thin chapter ring is the better choice because its slimmer profile gives the indices clearance instead of resting on top of them. If your dial is flat-printed (no applied markers), either size works. When in doubt, the ultra thin chapter ring is the safer default because it works with both dial types.

Do I need to remove the sapphire crystal to install the chapter ring?

No — and that's the whole point of us pre-installing the sapphire for you. The chapter ring sits on top of the dial inside the case, not under the crystal, so the crystal stays where it is throughout the build. (If you ever do need to remove the sapphire — for example, to replace it — that's a workshop job we handle for you, not an at-home step.)

Customers praised this chapter ring for its exceptional quality and craftsmanship. Reviews highlighted "well-defined" numerals, "crisp" markers, and solid construction that "does not feel cheap." The ring works well for SKX013 modifications and pilot-style builds. However, one customer reported a delivery issue.

The quality of the part is exceptional, the numbers and markers are very crisp!
Solid and well made. Does not feel cheap like other rings out there.
Great little chapter ring, finished off the small pilot style watch perfectly.

5 stars: 9 (90%)
4 stars: 0 (0%)
3 stars: 0 (0%)
2 stars: 0 (0%)
1 star: 1 (10%)

Some of the reviews shown are from related products the merchant grouped with this one.

I have used this chapter ring a couple of times

Great chapter ring, especially for watches without numbers or time markers.

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!

Using this mod part for: SKX013

Superb chapter ring

I bought 3 different chapter rings because I didn’t know which one I would end up using. All are high quality. OEM quality or higher. Great price as well! Shipping was very fast.

Great chapter ring

Super thin and gives the watch depth

Never received package

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

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.

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.

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.

Using this mod part for: SKX013

Excellent Chapter Ring

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

Hi when is this due back into stock? And does it fit 36mm explorer ultra thin case? Cheers

Adriel from LuciusAtelier.com

Hi Sean,

Thank you for expressing interest in our mod parts!

The SKX013 Brushed Black Chapter Ring - White Numerals has been discontinued, but its replacement—the ultra-thin edition—is slated to arrive around February/March.

To answer your other question, yes, it will fit all our cases that require an SKX013 chapter ring, including the 36mm Explorer Ultra Thin case.

If you have any further questions or need assistance, feel free to reach out—I’m always happy to help!

Cheers,
Adriel

Are the white numerals lumed?

Adriel from LuciusAtelier.com

Hello Nicolas!

Thanks for expressing interest in our mod parts!

>> Are the white numerals lumed?
No, they are not. If they are, we will make sure to state it. =) Additionally, price wouldn't be this low as Swiss Super-LumiNova lume cost over hundred of dollars per gram.

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

Cheers,
Adriel

What is the internal diameter of the chapter ring? I am trying to figure out what dials it can fit on.

Adriel from LuciusAtelier.com

Hello Nikolas!

Thanks for expressing interest in our mod parts!

>> What is the internal diameter of the chapter ring?
ID 26.5mm

Hope this make sense. Let me know if you have anymore questions.

Cheers,
Adriel

Hi friend. The chapter ring of skx013 fit in a seiko skx001?

Adriel from LuciusAtelier.com

Hello Fabiano!

Thanks for expressing interest in our mod parts!

Don't quite understand your question. But this CR is for SKX013-size cases.

Hope this helps. Let me know if you have anymore questions.

Cheers,
Adriel

Will this chapter ring work with aftermarket dials? In the descriptions of the other chapter rings it states they are half the size for improved fitment but on this ring it states it is the oem dimensions. Will this only work on the oem dial?

Adriel from LuciusAtelier.com

Hello Jay!

Thanks for expressing interest in our mod parts!

>> Will this chapter ring work with aftermarket dials?
Depends on the dial's indices and printing. If everything is within 27.5mm on the dial, then yes it will fit.

>> In the descriptions of the other chapter rings it states they are half the size for improved fitment but on this ring it states it is the oem dimensions.
I don't see any OEM written on the description or specs. So I don't quite get where you saw that.

>> Will this only work on the oem dial?
As far as I know, yes.

Hope this helps. Let me know if you have anymore questions.

Cheers,
Adriel

Does this chapter ring has bigger clearance and can be used with any Seiko dial?

Adriel from LuciusAtelier.com

Hello Arturas!

Thanks for expressing interest in our mod parts!

Yes, you are correct.

Let me know if you have any more questions.

Cheers,
Adriel

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