The Tusenö First series features a Seiko VK64 movement, also known as a hybrid movement or a mecha-quartz. A hybrid movement giving you the best of two worlds combining quartz precision and mechanical features like a sweeping seconds hand and instant reset chronograph.

Have a look at the video below for an easy step by step guide.

Tusenö claims no responsibility for improper installation that results in damage to the watch, strap or clasp or any other material and/or personal harm of any type.