Seikonaut 38mm — Ultra Thin Watch CaseA Compact Powerhouse. Reborn Ultra Thin. Big Presence. Introducing the Seikonaut 38mm, part of our Ultra Thin Edition series an iconic reinterpretation of a legendary sports luxury silhouette, now engineered to be among the thinnest NH compatible watch cases ever made. The Seikonaut aesthetic defined by its angular case geometry, sculpted flanks, and sporty elegance has achieved cult status in the watch modding world. Coveted for its versatility and

Vintage Enamel Biege

Seiko NH Automatic Movements

Thread Colour Blue

**Given the type of leather used

No lume — clean and formal

A polished handset is what makes a dial come alive

The hour markers are beveled

and built entirely in Grade 4 titanium

this is a simple and easy mod that requires just screwing and unscrewing of the rotor screw

The flat sapphire crystal ships pre-installed and aligned at our workshop

this is one of the slimmest 36mm Explorer-style cases built for an NH movement — and it ships ready to mod with the SKX013 chapter ring + 28

For a complete watch