Operate a butterfly clasp

Step 1
Open up the part furthest out on the clasp and insert the second part of the strap into it. Adjust the size accordingly.

Operate Butterfly Clasp - Step 1

Step 2
Push the bottom part of the clasp towards the middle and push until firmly closed.

Operate Butterfly Clasp - Step 2

Step 3
Push the other part of the clasp towards the middle, while doing this, put the end of the strap into the leather strap holder. Push until firmly closed.

Operate Butterfly Clasp - Step 3

Step 4
Make sure both parts of the clasp are firmly closed before usage.

Operate Butterfly Clasp - Step 4

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. If in doubt, we suggest consulting a local watchmaker or jeweler to properly install the strap/clasp for you.

Watch Size Guide

Watch Size Guide

The Tusenö First series come in two different sizes, ensuring you to get the absolute best fit for your wrist.
Unsure of which size fits you the best? We have created a size guide so that you can try them out right away. Just follow the link below.


Printable guides

Size guide US/Canada: Letter
Size guide non US/Canada: A4