The "PU" in the Rip Curl Ultimate Titanium Tidemaster 2 PU Watch simply means the wrist strap is a comfortable Poly Urethane alternative to the titanium strap on the standard Ultimate Titanium Tidemaster 2. Same great style, reliability, and features are included by Rip Curl here as well:
Titanium
Poly Urethane
Automatic Tide System
Screw Crown
Preprogrammed Tide Function
Preprogrammed Moon Phase
Preprogrammed Sunrise & Sunset Times
Heat Bezel
Alarm
Stopwatch
Dual Time
Light
Countdown Timer
Date & Time
Depth Tested To 200m
46mm Case Width
