Seikonaut – Black PVD Skeleton Mod with Silver Dial and Black Strap (40mm)

This 40mm Seikonaut build delivers a striking mix of stealth and refinement, combining a full black PVD case with silver hands and indexes over a fully exposed skeleton dial. The contrast gives this piece incredible legibility and a sharp, modern look.

Inside beats the Seiko NH72 movement, one of the best skeleton calibers available for modding. Unlike typical Seiko Nautilus open heart designs, which reveal only a small part of the movement, this version removes the dial entirely — offering a full view of the gear train, balance wheel, and bridges in motion.

It’s a clear step up from a standard Seiko dial, giving you a living, breathing mechanical centerpiece on the wrist. The black rubber strap keeps the look cohesive and wearable, while the PVD-coated case adds a stealthy luxury finish that resists scratches and daily wear.

Compatible with other high-quality Seiko mod watches components, this build is all about clarity, movement, and bold contrast — a true favorite among modders who want presence without flash.