Kurono Tokyo Chronograph 3 HISUI:翡翠 - 38mmOverview Kurono Tokyo Chronograph 3 The key indices of HISUI are accentuated with a jade green ribbon. The jade green radial was created using the pointillism technique to portray the jadeite stone texture. It is then treated with micro metallic particles to replicate the mineral inclusions found in raw jade. A final coat of clear glossy lacquer is sprayed to protect the surface, giving it a nice sheen and brightness. The HISUI timepiece from Kurono