Explorer II Watch Case - 36mm [NH34-Ready] - NH [Solid] - - - Lucius Atelier - Swiss Quality Seiko Watch Mod Parts

Explorer II Watch Case - 36mm [NH34-Ready]

Name: Explorer II Watch Case - 36mm [NH34-Ready]
Brand: Lucius Atelier
SKU: ECII36/NH.Solid
Price: 120.0 SGD
Availability: InStock

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$120 SGD - $224 SGD

Caseback (Fits Movement Types)

NH [Solid] sold out

NH [Sapphire] sold out

ETA2824/SW200 [Sapphire] sold out

ETA2893/SW330 (GMT) [Sapphire] sold out

Fits All [Sapphire] sold out

Explorer II, 36mm — Crown Guard, and GMT-Ready.

The Explorer II Watch Case 36mm is our first Explorer with a crown guard — a small, sporty addition that gives the 36mm case a more purposeful stance.

It’s GMT NH34-ready, and built to fit our SKX013 crowns and SKX013 chapter rings, opening up the full modding range. It also takes Swiss ETA and Sellita movements with the right spacer and caseback.

The case ships with a flat clear-AR sapphire pre-installed. Tested to 200m.

Sapphire pre-installed — the crystal press is done.
You’re not pressing a crystal or fighting AR coating. Pick a caseback for your movement family, add a crown, chapter ring, dial, hands and movement, and build.

36mm with a crown guard.
Diameter 36mm, lug-to-lug 43mm, 20mm lugs. The crown guard adds sporty character without inflating the footprint.

GMT NH34-ready.
Run the NH34 for a true GMT complication. A GMT-specific dial is required for the NH34 route — those are listed separately.

Five movement families.
NH34, NH35, NH36, NH38 and NH72, plus Swiss ETA2824, ETA2893 and Sellita SW200, SW260, SW330 — set by the caseback you choose. The matching spacer and caseback are supplied.

Flat sapphire, clear AR.
Pre-installed flat sapphire crystal, 29.5 × 1.5mm, with clear anti-reflective coating. Rated to 200m.

Caseback	Total Thickness	Water Resistance	Best for
Solid	11.6mm	200m / 20 ATM	Slimmest profile, fully closed back
Sapphire (exhibition)	12.1mm	200m / 20 ATM	Show off a decorated movement

The caseback also matches your movement family — Seiko NH, Swiss ETA2824/2893, or Sellita SW200/260/330 — and ships with the matching movement spacer for your selection.

Heads up — sold separately

Crown. Choose an SKX013-compatible crown. Browse compatible crowns .

Chapter ring. An SKX013-spec chapter ring seats the dial correctly. Browse compatible chapter rings .

Dial, hands & movement. Selected separately. For an NH34 GMT build, use a GMT-specific dial.

The flat sapphire crystal is already pre-installed — no crystal press required.

Specs
Build Guide
What's Included
How To Mod

Dimensions
1. Case Diameter 36mm
2. Case Thickness 11.6mm (solid caseback) / 12.1mm (sapphire caseback)
3. Lug to Lug 43mm
4. Lug Width 20mm
Materials & Finish
1. Quality Swiss Production Quality, ISO 9001 Certified
2. Case Material 316L Stainless Steel
3. Crystal Flat sapphire, clear anti-reflective coating (pre-installed)
4. Crystal Size 29.5mm × 1.5mm
5. Crown Screw-down (sold separately)
Compatibility
1. Movements Seiko NH34, NH35, NH36, NH38, NH72 · Swiss ETA2824, ETA2893 · Sellita SW200, SW260, SW330
2. Dials 28.5mm — fits all our dials (seats on the grey dial holding spacer)
3. Chapter Rings SKX013-spec (sold separately)
4. Crowns SKX013-compatible (sold separately)
Water Resistance
1. Water Resistant 200m / 20 ATM
The case arrives with the sapphire crystal pre-installed. Pick a caseback to match your movement, then add a crown, chapter ring, dial, hands and movement to finish.

What's already in this purchase:

The watch case with flat sapphire crystal pre-installed, plus your selected NH caseback (and the matching Swiss spacers/casebacks if you choose an ETA or Sellita movement).

The 5 parts you'll need for a complete watch:
1. Crown SKX013-compatible — selected separately.
  Browse compatible crowns
2. Chapter ring SKX013-spec — seats the dial at the correct height.
  Browse compatible chapter rings
3. Dial (28.5mm) Match to your movement. For an NH34 GMT build, use a GMT-specific dial.
4. Hands Paired with your dial.
5. Movement NH34 for GMT, NH35/36/38 standard, or a Swiss ETA/Sellita with the matching caseback.
Optional finishing touches:
1. Decorated bridge + rotor (only visible with a sapphire caseback) — replace the stock NH bridge and rotor with our Côtes de Genève decorated set, viewable through the caseback. Our bridges fit only our rotors (not OEM Seiko rotors), so they’re chosen as a pair. Recommended for experienced modders only.
Want it built for you?

Tick the Assemble Watch option above and we’ll handle the full build in our Singapore workshop — case fitting, movement seating, crown alignment, caseback press and a function check.

Heads up: assembled watches require 2–5 business days of workshop time before shipping.

Once your parts arrive, see the How To Mod tab for assembly tutorials.
1. 1x Watch Case (sapphire crystal installed)
2. 1x NH Caseback (per selection)
3. 1x ETA2824/SW200/SW260 Movement Spacer (only if that movement is selected)
4. 1x ETA2893/SW330 Movement Spacer (only if that movement is selected)
5. 1x ETA2824/SW200/SW260 Sapphire Caseback (only if that movement is selected)
6. 1x ETA2893/SW330 Sapphire Caseback (only if that movement is selected)
Crown, chapter ring, dial, hands and movement are selected separately to complete your build.

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

Which movements fit the Explorer II Watch Case 36mm?

Five movement families, set by the caseback you choose: Seiko NH34, NH35, NH36, NH38 and NH72, plus Swiss ETA2824 and ETA2893, and Sellita SW200, SW260 and SW330. The matching movement spacer and caseback ship with your selection. It is NH34 GMT-ready, so a true GMT build is on the table — that route needs an NH34-specific dial, chosen separately. Dial, hands, an SKX013 chapter ring and an SKX013 crown are selected separately.

Which caseback should I choose for the Explorer II Watch Case 36mm?

The caseback does two jobs: it matches your movement family (Seiko NH, Swiss ETA2824/2893, or Sellita SW200/260/330) and sets the back style. Choose solid for the slimmest profile at 11.6mm, or the sapphire (exhibition) caseback at 12.1mm to display the movement. Either keeps the case rated to 200m / 20 ATM, and the matching spacer and caseback ship with your pick.