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

Caseback (Fits Movement Types)

6 main components required to complete a watch.
Watch Case
Chapter Ring
GMT 24H Hand (optional)
Bracelet (optional)
Strap (optional)
Bridge & Rotor (optional)
Movement Holder (optional)
Tweezer (optional)


  • For the watch case, select your (1) Caseback (To fit different types of movements).
  • For a non-GMT watch route, select your (2) Crown(3) Dial, (4) Hands, (5) Chapter Ring and (6) Movement.
  • For GMT NH34 watch route, additional selection of (7) GMT 24H Hand (optional). A dial designed specially for GMT NH34 movement is also required, these can be found here .
  • To add bracelet or strap, select your (8) Bracelet or Strap (optional).
  • To decorate movement, select your (9) Bridge and Rotor (optional).
  • To have watch assembled, select (10) Assemble Watch (optional). Please note that assembling the entire timepiece requires 2 to 5 business days prior to shipping.

Engineered by us and made exclusively for us with quality assurance by ISO 9001 Certified manufacturers.


EXPLORER II, the first Explorer Case 36mm with crown guard. A small but significant sporty finishing.

This watch case is GMT NH34 Movement READY!!

Case comes only with flat clear AR sapphire and caseback (solid or sapphire).

We have made this case to fit our SKX013 crowns and SKX013 chapter rings. Vastly increasing the modding outlook of the final piece to your preference.

Designed to fit all of our dials (28.5mm), SKX013 crownsSKX013 chapter rings and original NH movements (grey dial holding spacer). Additionally, case has ability to fit ETA2824/SW200/SW260 and ETA2893/SW330 movements. Special spacer and caseback provided.

Bracelet selections are made available in the dropdown list above or in the bracelet category .

Watch case tested to 200m water resistant.
    1. Quality Swiss Production Quality, ISO 9001 Certified
    2. Case Material 316L Stainless Steel
    3. Case Diameter 36mm
    4. Case Thickness 11.6mm (Solid Caseback), 12.1mm (Sapphire Caseback)
    5. Lug to Lug 43mm
    6. Lug Width 20mm
    7. Crown Screw down
    8. Crystal Flat Sapphire with Clear Anti-Reflective Coating
    9. Crystal Size 29.5mm x 1.5mm
    10. Water Resistant 200m / 20atm
    11. Fit Movements NH34, NH35, NH36, NH38, NH72, ETA2824, ETA2893, SW200, SW260, SW330
    1. 1x Watch Case (Sapphire installed)
    2. 1x NH Caseback (Depends on selection)
    3. 1x ETA2824/SW200/SW260 Movement Spacer (Depends on selection)
    4. 1x ETA2893/SW330 Movement Spacer (Depends on selection)
    5. 1x ETA2824/SW200/SW260 Sapphire Caseback (Depends on selection)
    6. 1x ETA2893/SW330 Sapphire Caseback (Depends on selection)

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

  • Recommended Mods With:

    1. Swiss Super-LumiNova® BGW9 Hands
    1. A Complete Guide On How To Mod Your SEIKO Watch Dial And Hands (Includes Photos & Video)
    2. Learn about fitting dials with four dial legs

Customer Reviews

Based on 9 reviews
Wir (Yogyakarta, ID)
Best SW200-1 36mm Case!


Nigel L. (Basingstoke, GB)
Using this mod part for: Ground up build
Explorer II Watch Case

Beautifully produced and perfect for my build. The case, along with all items needed to build a complete watch, all are exceptional quality and helped to produce a lovely looking watch (in my humble opinion, of course!). This is my first time dealing with Lucius Atelier, I doubt it will be the last.

Peter (Harrogate, GB)
Explorer case II

Absolutely fantastic case. Looks great, has a nice weight and is very solid. Very happy with this purchase.

Max (Denver, US)
beautiful case

Well-made and nicely proportioned.


Great case

Jason (Anaheim, US)

Nice case

Reviewer avatar
Diego P. (Milan, IT)
Simply perfect

I've built many watches with parts coming from many different sources, but so far I had never had in my hands a product with this quality, even from official after market parts dealers. Starting from the quickness of the delivery, passing from the top quality packaging, arriving to the single parts, everything is absolutely deserves a 5 star rating.

j h.h. (Adelaide, AU)
Explorer II 36mm GMT

Watch arrived in days fully assembled. Ordering was simple and the customer service was excellent. Great packaging. The assembly has been done brilliantly. Fits my 6.5in wrist perfectly. I am thrilled with it.
One thing to note: some screws in the bracelet are too tight for me to undo with my jewelers screwdrivers.

Nikolas N. (Jackson, US)
Explorer II case 36mm GMT

Excellent case size for nh34 gmt movement. I really like the 36mm case idea. I am looking forward to see this case just a bit thinner if it’s possible.