TAG Heuer Connected E3 45mm Connected Bracelet Strap. 
In fantastic condition as seen in photos.
These are the best connected bracelets and are now discontinued 
Now £380 new price from Tag Heure.

Track your session and push the boundaries with this high-end, ergonomic steel bracelet with matching folding buckle, suitable for any 45mm TAG Heuer Connected Calibre E3  Watch model. Crafted for you, this luxurious bracelet is smart and versatile. It is not compatible with previous versions of Connected watches.