What is the difference between 37mm and 41mm Seiko mod cases?

The 37mm cases suit wrists under 7 inches with a vintage, refined look. The 41mm cases offer more wrist presence for larger wrists. Both sizes accept NH35, NH36, NH70, NH71, and NH72 movements.

Which movements fit Nomods cases?

Nomods cases are designed for NH35, NH36, NH38, NH70, NH71, and NH72 movements. Each product listing specifies compatible movements.

What dial size fits Nomods cases?

Royal Oak 37mm and Petrichor cases use 28.5mm dials. Royal Oak 41mm and Nautilus cases use 30.8mm dials. Always match dial diameter to case specifications before ordering.

Cajas Seiko Mod | Royal Oak y Nautilus

Construya su Seiko mod alrededor de una caja que defina el aspecto y el ajuste. Desde las líneas angulares del Royal Oak y la elegancia del Nautilus hasta el estilo deportivo del Aquanaut y el minimalismo del Petrichor, nuestras cajas están diseñadas para compatibilidad con NH35/NH36, con notas de ajuste claras para cristales, coronas, biseles y brazaletes.