Structure size (L x W x H)
 the weight
 Body and frame material
-  Case/bezel material: Resin
 
 Belt
 Water resistance
-  Water resistance up to 100 meters
 
 Power supply and battery life
-  Approximate battery life: 10 years on CR2025
 
 Exoskeleton
 the glass
 Watch features
 UTC
 Moon data
-  Moon data (the age of the moon on a given date and a chart of moon phases)
 
 Tide painter
-  Tide chart (tide level for a specific date and time)
 
 Stopwatch
-  1/100th of a second stopwatch, measuring capacity: 23:59'59.99'', measuring modes: elapsed time, split time, 1st and 2nd place times
 
 temporary
-  Countdown timer, measurement unit: 1 second, countdown range: 24 hours, countdown start time setting range: 1 minute to 24 hours (in 1-minute increments and 1-hour increments), Other features: Auto-repeat
 
 Alarm/hourly time indication
-  Multi-function alarms, 3 separate multi-function daily alarms (2 one-time alarms and 1 snooze/one-time alarm), alarm type: daily alarm, date alarm, 1-month alarm, monthly alarm
 -  Hourly time indication
 
 the light
-  LED light, selectable illumination duration (1.5 seconds or 3 seconds), afterglow
 
 Light color
 calendar
-  Full auto-calendar (up to year 2099)
 
 Mute feature
-  Turn on/off button operation tone
 
 Precision
-  Accuracy: ±30 seconds per month
 
 Other features
-  12/24 hour format
 -  Regular recording of time: hours, minutes, seconds, AM/PM, month, date, day
 
 Designed for water lovers! The perfect companion for anyone who practices marine sports. These watches come with a sturdy exterior, 100-meter water resistance, and a 10-year battery life. A display has been added to chart tide rates on the board and moon data with LED lighting to ensure easy reading even in the dark, providing water sports enthusiasts with all their needs at hand. With a stopwatch, timer and alarm clock, these versatile watches enable you to transition seamlessly from home or office to the pool or ocean.