Wave tracker: The GPS watch can track exactly how many waves you catch in a session; Time tracker: Find out exactly how much time you spend in the water; Line Up Assessment: See every wave you surf, specific to your position in the lineup; The watch can also track where you take off from, longest rides and can compare your daily sessions; Speed Calculator: The watch can log exactly how fast you surf and lets you compare speeds with friends; Re-live your sessions: Data can be synced via Bluetooth to the Rip Curl SearchGPS App; You can then see your whole surf broken down into detail; Join the Community: The Rip Curl Search App lets you connect with friends; You can also compare stats and follow what the Pros are up to; Download the Search App: Create your own profile and check out stats from the Pros; Navigation: Three simple buttons with one touch auto-set to set tide and time; Battery Life Time: 6-10 months. Up to 10 hours GPS mode (rechargeable); Water Resistance: Waterproofing 100m; Memory Capacity: 12hrs GPS Operation; :: Men > Watches Size: one size.