Dive watch and tourbillon professional manufacturer Longio Watch Co., Ltd.
Longio Watch Co., Ltd., was established in 1996. We specialize in manufacturing dive & tourbillon watches and parts to the highest industry standards, and we export worldwide.

Our expertise includes the manufacture of watches case and band in both stainless steel and titanium, with water resistance from 100 meters to 1000 meters. Every aspect of the manufacturing process is closely controlled by our skilled engineers, allowing us to offer dive watches of the highest quality.

Each project creates a partnership - we work with you every step of the way, from initial design work with our in-house CAD designers, through prototype sample making, and mass production.