The Datejust. Fluted Bezel, 36mm. Five Movements, One Case. A fluted-bezel dress case in the classic date-window idiom, in a true-to-era 36mm — the Datejust silhouette, ready to build. One case, five movement families: Seiko NH, Swiss ETA2824 and ETA2893, Sellita SW200, SW260 and SW330 — chosen by the caseback you select, with spacer and caseback supplied. Ships with a flat sapphire crystal pre-installed and a screw-down crown fitted. Built for our 28.5mm dials, an SKX013 chapter ring (mandatory), and NH movements on the grey dial holding spacer. Kept slim, this case is not NH34 GMT-ready — there isn't clearance for the 24-hour hand. Run NH35, NH36 or NH38, or a Swiss ETA/Sellita movement. Five movements, one case.Seiko NH35/36/38, Swiss ETA2824 and ETA2893, Sellita SW200, SW260 and SW330 — selected by caseback, with the spacer and caseback supplied. (Not NH34 — see below.) Flat sapphire, already in.A flat sapphire with anti-reflective coating, pressed and sealed in our workshop — and a screw-down crown fitted. The crisp, low-profile dress look. Date-window dress, 36mm.Case 36mm, lug-to-lug 43mm, 20mm lugs — the slimmest of the platform at 11.5mm. Fluted bezel, dial-forward. Fits the 28.5mm dial ecosystem.28.5mm dials, an SKX013 chapter ring, NH-compatible hands. Pairs with our 20mm bracelets and straps. Heads up — what's in the box, and what's sold separately. This case ships with the sapphire crystal pre-installed and a screw-down crown fitted. The dial, hands, chapter ring and movement are chosen separately — build it to fit our full dial range . Chapter ring. This case needs an SKX013 chapter ring to seat the dial correctly — it is mandatory and never included. It takes both normal and ultra thin chapter rings; the choice depends on your dial, not the case. If your dial has applied (raised) indices, pick an ultra thin chapter ring for clearance; a flat-printed dial works with either. Browse SKX013 chapter rings . Specs Build Guide What's Included How To Mod Dimensions Case Diameter 36mm Case Thickness 11.5mm (Solid Caseback), 12mm (Sapphire Caseback) Lug to Lug 43mm Lug Width 20mm Materials & Finish Quality Swiss Production Quality, ISO 9001 Certified Case Material 316L Stainless Steel Crystal Flat Sapphire with Clear Anti-Reflective Coating Crystal Size 29.5mm x 1.5mm Crown Screw down Compatibility Movements NH35, NH36, NH38, NH72, ETA2824, ETA2893, SW200, SW260, SW330 Dials 28.5mm Chapter Rings SKX013-spec (required, sold separately) Hands NH movement compatible Bracelets & Straps Lucius Atelier bracelets and 20mm straps Water Resistance Water Resistant 200m / 20 ATM (tested) The case ships with the sapphire crystal pressed in and a screw-down crown fitted. You choose the rest below — every part is an Add dropdown on this page — and the caseback you select sets which movement family the case fits. Four more parts make a complete watch, each a dropdown above, in the order you'd assemble them: Chapter ring (required — seats the dial) — SKX013-spec; without it the dial sits too low and the hands won't clear. Browse chapter rings . Dial (28.5mm) — match it to your movement: date, day+date, or no-date. Browse dials . Hands — paired to your dial; most modders match lume colour across hands and markers. Browse hands . Movement — a Seiko NH, or a Swiss ETA2824/2893 or Sellita SW200/260/330 (pick the matching caseback above). Browse movements . Optional extras (also dropdowns above): a 20mm bracelet or leather strap , and a Côtes de Genève decorated bridge + rotor — only visible through a sapphire caseback, and our bridges pair only with our rotors, so pick them together. Want it built for you? Under ADD, tick Assemble Watch (+SGD $139) and we'll do the full build in our Singapore workshop — movement seating, caseback fit, crown alignment, dial and hands, and a final function check. Heads up: assembled watches need 2–5 business days of workshop time before they ship. Prefer to build it yourself? See the How To Mod tab for step-by-step tutorials. 1x Watch Case (sapphire crystal and screw-down crown installed) 1x NH Caseback (depends on selection) 1x ETA2824/SW200/SW260 Movement Spacer (depends on selection) 1x ETA2893/SW330 Movement Spacer (depends on selection) 1x ETA2824/SW200/SW260 Sapphire Caseback (depends on selection) 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 the case purchase. A Complete Guide On How To Mod Your SEIKO Watch Dial And Hands (Photos & Video) Fitting dials with four dial legs Seiko Modding: The Complete Build Guide (2026)
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