38mm Explorer-style Seiko mod case in brushed and polished steel
RPC0001 38mm Case - Explorer Case
RPC0001 38mm Case - Explorer Case
RPC0001 38mm Case - Explorer Case

RPC0001 38mm Case - Explorer Case

Regular price ₱5,990.00
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Case
Bracelet
  • Low stock - 2 items left
  • Inventory on the way

If 36mm feels too small and 40mm too big, the 38mm Explorer is the middle ground — a balanced, everyday size on most wrists. It keeps the clean Explorer profile (brushed top, polished sides) with a scratch-resistant flat dial-ready sapphire crystal and a notably slim 11.4mm profile. A replaceable chapter ring (SKX007-compatible) adds room to customize, and you can drop an existing 28.5mm build straight in. Available with a plain or date-window crystal, case-only or with an Oyster, Jubilee, or President bracelet.

Quick specs

Diameter 38mm (without crown)
Lug-to-lug 47mm
Thickness 11.4mm (incl. case cover)
Lug width 20mm
Material 316L stainless steel
Finish Steel — brushed top, polished sides
Crystal Flat sapphire
Crown Sterile, 1-piece stem for NH movement (6.8mm × 3.4mm)
Movement fit NH movement (NH35 / NH36 standard)
Dial fit 28.5mm

The case includes:
1. Steel case (brushed top, polished sides)
2. Pre-installed flat sapphire crystal
3. Sterile crown (1-piece stem, for NH movement)
4. Silver slim case back
5. 20mm spring bars

Buying options: Two choices — crystal (No Lens / With Date Lens) and bracelet (Case Only / Oyster / Jubilee / President).

Compatibility: Built for the NH movement (NH35 / NH36) and a standard 28.5mm dial. Sterile crown, 1-piece stem for NH. Fits any 20mm strap or bracelet. See all movements.

  • 5 stars: 3 (100%)
  • 4 stars: 0 (0%)
  • 3 stars: 0 (0%)
  • 2 stars: 0 (0%)
  • 1 star: 0 (0%)
G
Grey
Premium Finish and Perfect Size

Really love this case! Putting it together, it felt very high quality compared to a lot of the cases I've used at similar price points. The Bracelet attached extremely easily, and the threading felt nice out of the box for both the crown and caseback. Option to replace the chapter ring is great for more customization and the dimensions/thickness is on point. I also love that there is brushing on the side of the case, unlike most "explorer" style cases. This is a good blend of that explorer style and a pilot watch case.

J
Jay
Looks stellar and wears comfortably

Perfect fit and amazing quality!

I used this case for a Seiko Overlander NH36 build and it worked out great. Everything fit perfectly.
The brushed top and sides finishing looks super clean and feels solid in hand.

Really happy with how the final watch turned out. Would definitely buy again for another build!

N
Nigel L
RC1470 38mm Case - Explorer Case

Great quality with a lovely brushed case and polished bezel, and the ability to swap chapter rings is a nice bonus. I originally bought one to build a 'gada' style watch, and bought a second for a 'murph' style build 😁.

Insta @enleywatchmods


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