Nauticalia

Once set for the area of navigation, this combined analogue/digital tide watch will indicate the current relative height of water (in twelths) and whether it is rising or falling. Also has moon phase indicator, useful for working out whether the tides will be springs (maximum range) or neaps (minimum range). Has simultaneous dual time display and movement activated electroluminiscent night illumination. Stopwatch, countdown timer, 5 daily alarms and auto calendar.
 
Stainless steel case and strap, water resistant to 100m