| Size | ★★★ |
| Weight | ★★★ |
| Functions | ★★★★★ |
| Battery Years | ★★★★★ |
| Price | ★★ |
About WS-1300 in Short. Water lovers take note! The ideal companion for anyone into marine sports. These watches start with a durable exterior design, 100-meter water resistance, and 10-year battery life . Then add on-board tide graph, moon data, and LED light ensuring an easy read even in the dark, to deliver everything a water sports enthusiast needs, right at your fingertips.
General Information
| Price | $25 *average Amazon Price, we may earn commission from purchases |
| Year of First Release | 2021 |
| Model Range | Casio Digital Collection |
| Battery Type | CR2025 (Casio Batteries) |
| Manual | 3507 (official) |
WS-1300 Model Range *may be updated
WS-1300H-1 
WS-1300H-8 WS-1300H-2
*Want to be the first to know about new Collection Updates? Here we store all recent Monthly Collection Updates →
Other Casio Digital WS Watches *similar by price and functions but different by cases
These are not all Casio Digital WS Series. Here is a list of All Casio Digital WS Watches →
Casio WS-1300 Display Guide *for key functions only. For you to know how it works))
Timekeeping
- Press C to change from mode to mode
- In any mode (except when a setting screen is on the display). press B to illuminate the face of the watch
- In the Timekeeping Mode, holddown A until the seconds start to flash, which indicates the setting screen
- Press C to move the flashing.
Moon/Tide Data
In the Moon/Tide Data Mode, press A to toggle between the tide data screen and the Moon data screen.
– The tide graph shows the tide for the currently displayed time. The initial tide data screen shows the level for 6:00 a.m. The Moon data screen shows the Moon age and Moon phase for the current date.
Timer
You can set the countdown timer within a range of one minute to 24 hours. An alarm sounds when the countdown reaches zero.
– You can also select auto-repeat, which automatically restarts the countdown from the original value you set whenever zero is reached.
– All of the operations in this section are performed in the Timer Mode, which you can enter using C.
Dual Time
- Press C to enter the Dual Time Mode
- In the Dual Time Mode, hold down A until the DST setting starts to flash, which indicates the setting screen
- Press C to move the flashing in the sequence to select the other settings
- When the setting you want to change is flashing use B and D to change it
- Press A to exit the setting screen.
Official WS-1300 Specs / Features *for base version WS-1300H-8
- Case / bezel material: Resin
- Resin Band
- Resin Glass
- 100-meter water resistance
- LED light
Selectable illumination duration (1.5 seconds or 3 seconds), afterglow - Moon data (Moon age of the input data, Moon phase graph)
- Tide graph (Tide level for specific date and time)
- Dual time
- 1/100-second stopwatch
Measuring capacity: 23:59’59.99”
Measuring modes: Elapsed time, split time, 1st-2nd place times - Countdown timer
Measuring unit: 1 second
Countdown range: 24 hours
Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments)
Others: Auto-repeat - Multi-function alarms
3 independent multi-function alarms (2 one-time alarms and 1 snooze/one-time alarm)
Alarm type: Daily alarm, date alarm, 1-month alarm, monthly alarm - Hourly time signal
- Full auto-calendar (to year 2099)
- 12/24-hour format
- Button operation tone on/off
- Regular timekeeping: Hour, minutes, seconds, am/pm, month, date, day
- Accuracy: ±30 seconds per month
- Approx. battery life: 10 years on CR2025
- Size of case : 51.3×51.1×14.8mm
- Total weight : 49g
You ask, we answer…
The watch is good for swimming but not for deep diving.
10 years CR2025.
Measuring capacity: 23:59’59.99”
Measuring modes: Elapsed time, split time, 1st-2nd place times.