CALX Watches:
Handcrafted in Japan and the United States, CALX creates custom watches that are inspired by iconic designs. We carefully modify Seiko movements with premium aftermarket parts. At CALX, we bring the designs of luxury watches to a wider audience without resorting to counterfeit products.

LEGITIMATE & GENUINE
Our timepieces are not replicas. Each CALX watch houses a genuine Seiko movement to create unique watches inspired by iconic designs. We are not affiliated with the Seiko brand in any way.

DEDICATION TO QUALITY
Our watch cases are handcrafted in the Japan and the United States from 316L stainless steel, a durable and corrosion resistant material. Inside of our cases is the renowned Seiko automatic movement. The Seiko NH series movement is known for its reliability and precision. The crystal that products the watch face is made from sapphire for scratch resistance.

ACCURATE
Our Seiko Mods are driven by the NH series automatic movement. This Japanese movement is renowned for its precision and reliability. It's designed to keep time with remarkable accuracy, gaining or losing just 3-5 seconds per day.