Nixon Lodown
Dude! Want to know what the waves are going to be doing at 200 beaches across the globe? Check out Nixon's surf watch, which has preprogrammed tidal information for the next 15 years. It displays the data in an easy-to-read format. Water resistant up to 100 metres – which is good news if you wipe out when you're carving a tube.
Price: £80
http://uk.nixon.com