SPECIFICATIONS:

Case: 100% marine grade stainless steel including screw back.
Module: Patented Oceantide.
Function: ATS-Automatic Tide System
Strap Width: 20mm webbing with unbreakable buckles
Special Features: 2 individual tide locations easily set to thousands of beaches, 100 year perpetual calendar, 100 year factory preset perpetual Moon phase, alarm, dual time, countdown timer, stop watch, EL light, all day glow screen, etc.
Case Construction: Pinless...almost imposible to lose
Battery Life: 5 years
Water Resistant Tested: 200m