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Casio WS-1700H-AVEF Watch
The Casio WS-1700H-AVEF is a digital watch from the Timeless Collection, with a resin case measuring 48.6 mm in diameter and 15.2 mm thick. Its 3562 module integrates a tide graph, moon data, dual time, a chronograph with three measuring modes, a timer with single or automatic mode and three multi-function alarms. Water resistance is 10 bar (100 metres) and its CR2025 battery offers an autonomy of approximately 10 years.
The display combines a numeric digital screen with a small analogue hand dial for hours, minutes and seconds, plus the tide graph and moon phase. The resin case features angular lines with simulated bolt details on the sides, and the strap is also resin, in black, with a buckle clasp. The crystal is acrylic.
The 1/100 s chronograph (24 h) allows three different uses: simple time measurement, lap time recording and first and second place measurement in a race. The timer is set from 1 minute to 24 hours and supports two modes: single, which emits 10 beeps when the time is up and stops, or automatic, which emits 10 beeps and restarts the count successively. The three alarms can be set as daily, for a specific date of the year or for every day of a given month, and are completed by the time signal. The dual time offers a second parallel time (the watch does not include world time).
Available settings include the 12/24-hour format with AM/PM indication, the automatic calendar up to 2099, daylight saving time (DST) on or off, the button tone on or off and the LED light with adjustable duration (1.5 or 3 seconds).
Tide Graph Moon Data Dual Time 10-Year Battery 100 Metres 3-Mode Chronograph
Why choose this watch?
The Casio WS-1700H-AVEF is aimed at those who need tide and moon phase information on the wrist and do not want to depend on constant recharging. Its tide graph and moon data provide a useful reference for activities such as fishing or sailing, while the 10 bar water resistance and the 10-year autonomy of the CR2025 battery place it in a demanding and low-maintenance frame. The 48.6 mm resin case and the multicolour display allow all that information to be read at a glance, without hidden menus or unnecessary layers.
Technical specifications
Movement and functions
- Type: digital quartz.
- Module: 3562.
- Functions: time, automatic calendar, dual time (second parallel time, not world time), tide graph, moon data (phase and moon age), 1/100 s chronograph (24 h) with three modes (simple time, lap times and first and second place measurement), timer from 1 min to 24 h with single or automatic mode, 3 multi-function alarms and time signal.
- Time format: 12/24-hour, with AM/PM indication in 12-hour mode.
- Calendar: automatic up to 2099.
- Daylight saving time (DST): on or off.
- Button tone: on or off.
Case and dimensions
- Reference: WS-1700H-AVEF.
- Brand: Casio.
- Collection: Timeless Collection.
- Case material: resin.
- Case shape: polygonal with angular lines, with simulated bolt details on the sides.
- Diameter: 48.6 mm.
- Thickness: 15.2 mm.
- Total length: 52.5 mm.
- Weight: 48 g.
- Water resistance: 10 bar (100 metres).
Display and lighting
- Display: numeric digital screen combined with an analogue hand dial for hours, minutes and seconds.
- Indications: tide graph and moon phase.
- Crystal: acrylic.
- Lighting: LED with adjustable duration (1.5 s or 3 s).
Strap and presentation
- Strap material: resin.
- Strap colour: black.
- Clasp: buckle.
- Battery: CR2025, autonomy of approximately 10 years.
Frequently asked questions
How is the tide graph on the WS-1700H-AVEF interpreted?
The graph represents the evolution of the tide throughout the day. By default, the watch uses 6:00 as a reference, but as you move through the hours it shows whether the tide is high or low at each moment. For a correct reading, the time zone, longitude and lunitidal interval of the location must first be set in adjustment mode, as explained in the manual. The graph does not replace an official tide table; it offers an indicative reference based on the moon position and those three data points.
What exactly does the moon age shown on the display indicate?
The moon age is the number of days elapsed since the last new moon, with a range from 0 to approximately 29.5 days. In moon data mode, the WS-1700H-AVEF shows that value together with a graphic representation of the phase. An age close to 0 corresponds to new moon, around 7 to first quarter, near 15 to full moon and around 22 to last quarter. It is a reference figure, not a precision astronomical measurement.
