SKX013 MM300 Bezel - Mirror Polished

Name: SKX013 MM300 Bezel - Mirror Polished
Brand: Lucius Atelier
SKU: SKX013-MM300
Price: 47.0 SGD
Availability: InStock

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$47 SGD

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The MM300 Bezel. Mirror-Polished Steel. For the SKX013.

A Marinemaster-300-style dive ring — a broad, purposeful diver's bezel with real presence, made for the Seiko SKX013. Machined from 316L stainless steel, mirror-polished to a bright shine.

Snap-fit and fully removable, with a rubber gasket included and installed. Seat it onto the Seiko SKX013, SKX015, SKX017 and all 7S26-0030 cases with a crystal press — one of the fastest, cheapest ways to change the whole look.

The cheapest way to change the whole watch.
No dial, no movement, no fuss — swap the bezel and the silhouette shifts.

The MM300 profile.
A broad, purposeful dive-bezel shape modelled on Seiko's Marinemaster 300 — serious tool-watch presence.

Snap-fit, removable.
Snaps on and off with a crystal press; a rubber gasket included and installed.

316L, mirror-polished.
Machined from 316L stainless steel, mirror-polished to a bright shine.

Fits the SKX013.
Sized for the Seiko SKX013, SKX015, SKX017 and all 7S26-0030 cases.

Heads up — fit & install

Fits the Seiko SKX013, SKX015, SKX017 and all 7S26-0030 cases. Snap-fit — seat it straight and even with a crystal press. A rubber gasket is included and installed.

New to this? The bezel & insert install guide walks through it.

Specs
What’s Included
Fitment
How To Mod

Specs
1. Quality Swiss Production Quality, ISO 9001 Certified
2. Material 316L Stainless Steel
3. Surface Design MM300
4. Surface Finish Mirror Polished
5. Colour Silver
6. Fit Type Snap-based (Removable)
7. Gasket Rubber (Included and installed)
8. Fit Models SKX013, SKX015, SKX017 and all 7S26-0030 Watch Cases
1. 1x Bezel (gasket fitted)
All photos of watches with modification parts are for illustration purposes only and are not included with the bezel purchase.
Fits the Seiko SKX013, SKX015, SKX017 and all 7S26-0030 cases.

Snap-fit — seat it straight with a crystal press. A rubber gasket is included and installed.

Pairs with:
1. SKX013 Bezel Inserts
2. SKX013 Sapphire Crystals
1. How To Modify Your SEIKO Watch — Bezel & Bezel Insert
2. Seiko Modding: The Complete Build Guide (2026)

Will an SKX007 bezel fit an SKX013?

No. The cases are different diameters, so the bezels aren't interchangeable. SKX013 bezels fit the 7S26-0030 case family (SKX013, SKX015, SKX017). SKX007 bezels fit the 7S26-0020 family (SKX007, SKX009, SKX011) plus Seiko 5 SRPD and SRPE (4R36-07G0) cases.

Do these bezels rotate?

It depends on the fit type, shown on each product page. Snap-based dive bezels — like the Submariner, MM300 and 24H GMT — seat on the case and rotate. Friction-based bezels — like the Pilot, Fluted, Big Bang and Tachymeter — are marked 'Nonrotatable': they press on fixed, as a decorative ring. If you want a working rotating bezel, choose a snap-based dive style.

What's the difference between a snap-fit and a friction-fit bezel?

Snap-fit bezels click onto a retaining groove on the case and take a bezel insert — these are the rotating dive styles, and they include a gasket. Friction-fit bezels press on and sit about 0.5mm above the OEM crystal (which also helps protect it) — these are the fixed dress styles, and they don't take an insert. Both are removable, and both seat with a crystal press.

Is a gasket included?

Yes. The snap-fit dive bezels ship with a rubber gasket, included and installed. The SNK bezels come with two i-ring gaskets. You just supply a crystal press to seat the bezel straight and even.

Do I need special tools to install a bezel?

All our bezels snap on. You'll need a crystal press to install one — it seats the bezel straight and evenly.

What are these bezels made of?

316L stainless steel, machined by ISO 9001 certified manufacturers. Finishes span mirror polished, brushed, gold and DLC black coating depending on the model.