9-Jewel Swiss quartz movement
Water resistant to 100m (330 ft.)
Date display
Mineral crystal
Stainless steel case with screw-on back ensures water-resistancy
Blue rubber strap
3-year limited warranty
Swiss Made
Functions include: Perpetual tide change function for both home or away once location is set. Moon phase. Rotating bezel for 2nd tide location.
Case size: 40 millimeters
Lug width: 20 millimeters

Aquagraph Tide watch is for Atlantic Ocean use