Casio G-Shock DW-5610UU-8DR Grey Bio-Based Resin Men's Watch

The Casio G-Shock DW-5610UU-8DR is a men's digital watch in a grey bio-based resin case and strap. It is built for people who want a lightweight, shock-resistant square watch that handles swimming, training and daily knocks without smartwatch extras.

This men's digital watch pairs a 200-metre water resistance rating with shock-resistant construction, so pool sessions, rainy commutes and rough handling are less of a concern. The mineral glass crystal helps keep the square LCD readable, while the LED backlight with afterglow lights the display in the dark. A CR2016 battery is rated for about five years, and the watch weighs approximately 52 grams. It also includes a 1/100-second stopwatch, a 24-hour countdown timer and multi-function alarms.

Key features and benefits of the Casio G-Shock DW-5610UU-8DR

• Shock-resistant construction: The case is made to absorb impacts and vibration. That means knocks, drops and rough activity are less likely to interrupt timekeeping.
• 200-metre water resistance: The watch is rated to 20 bar, equivalent to 200 metres depth. You can swim, snorkel or shower without taking it off.
• Grey bio-based resin case and strap: The material is partly derived from renewable organic sources instead of pure petroleum plastic. The full watch weighs approximately 52 grams, so it stays light on the wrist.
• Digital square LCD with 12-hour and 24-hour formats: The display uses a square layout and can switch between two time formats. You can set it to the format you read most naturally.
• Approximate five-year CR2016 battery: A single CR2016 lithium cell powers the watch for about five years. Fewer battery changes mean less maintenance and less need to open the case.
• LED backlight with afterglow: The LED panel lights the display for a few seconds after you press the button. You can check the time in darkness without another light.
• 1/100-second stopwatch: It measures elapsed time to one-hundredth of a second up to 24 hours. This helps with interval training, lap timing or any task that needs precise timing.
• 24-hour countdown timer with auto-repeat: The timer counts down from a set time up to 24 hours and can repeat automatically. It is useful for workouts, cooking or managing segments of work.
• Multi-function alarms and hourly time signal: The watch offers several daily alarms plus a beep at the top of each hour. These cues help you keep appointments, medication times or shift changes.
• Flash alert for alarms and timer: The display flashes when an alarm or timer reaches zero. This gives a silent visual cue in noisy or quiet places.
• Full auto calendar to 2099: The calendar adjusts for month lengths and leap years up to 2099. You do not need to correct the date by hand.
• Mineral glass crystal: Mineral glass is harder than acrylic and resists everyday scratches. The display stays clearer under normal wear.

Who the Men's Watch is for

The Casio G-Shock DW-5610UU-8DR suits people who want one tough digital watch for mixed days rather than a connected device. A commuter can rely on the auto calendar and alarms, an athlete can use the stopwatch and timer, and a swimmer gets 200-metre water resistance. The grey bio-based resin keeps the watch light at approximately 52 grams, so it works for long wear.

• Morning runs and interval sessions where the 1/100-second stopwatch and countdown timer are useful.
• Swimming, snorkelling or rainy commutes where 200-metre water resistance gives peace of mind.
• Multi-day trips where the five-year battery and auto calendar reduce battery changes and date worries.
• Office or shift work where the hourly signal, multiple alarms and flash alert keep you on schedule without sound.
• Everyday casual wear where the grey bio-based resin and 52-gram weight stay comfortable on the wrist.

Less suitable if: you need smartwatch features such as notifications, heart-rate tracking or GPS, because this model is a dedicated digital tool watch without connectivity.

Men's Watch specifications

Using and caring for the Casio G-Shock DW-5610UU-8DR

The grey bio-based resin and mineral glass need only simple care to stay comfortable and clear. Rinse the watch with fresh water after salt water or chlorine, then dry it with a soft cloth. Avoid solvents, abrasive cleaners, sunscreen and insect repellent, which can mark the resin. When the battery is due, have a qualified watchmaker replace the CR2016 and check the seal.

• Rinse under lukewarm tap water after sea or pool swimming to remove salt and chlorine.
• Dry with a lint-free cloth and avoid heat sources such as hair dryers.
• Keep sunscreen, insect repellent and strong chemicals away from the strap.
• Have the CR2016 battery replaced by a qualified watchmaker who can check the seal afterwards.
• Store in a cool, dry place away from direct sunlight when not in use for long periods.

How to choose the right Men's Watch

When you choose a digital tool watch, start with water resistance, battery life, weight and strap material. The Casio G-Shock DW-5610UU-8DR gives you 200-metre water resistance for swimming and snorkelling, a CR2016 battery rated for about five years, and a weight of approximately 52 grams. Its grey bio-based resin strap keeps petroleum use lower while staying flexible. If you need notifications or fitness tracking, a smartwatch is the better match; this model is a dedicated timekeeper.

Frequently asked questions

What is the Casio G-Shock DW-5610UU-8DR made of?

The case and strap are grey bio-based resin, a material partly derived from renewable organic sources. The crystal is mineral glass, which resists everyday scratches.

Is the Casio G-Shock DW-5610UU-8DR suitable for swimming?

Yes. It has 200-metre water resistance, shown as 20 bar, so you can swim, snorkel or shower with it on. It is not intended for saturation diving or high-velocity water sports.

How long does the CR2016 battery last?

The CR2016 lithium cell is rated for approximately five years under normal use. Battery life varies with how often you use the backlight and alarms.

What timing functions does the watch include?

It includes a 1/100-second stopwatch, a 24-hour countdown timer with auto-repeat, multi-function alarms and an hourly time signal. A flash alert, full auto calendar to 2099, 12/24-hour formats and LED backlight with afterglow are also included.

How much does the Casio G-Shock DW-5610UU-8DR weigh?

The watch weighs approximately 52 grams. That light weight helps it stay comfortable during all-day wear.

Does the watch have a light for reading in the dark?

Yes. An LED backlight with afterglow lights the digital display for a few seconds after you press the button. You can read the time in darkness without another light.

Can the strap be replaced?

Yes. The strap uses standard spring bars that are compatible with 20 mm replacements. You can fit another resin, nylon or metal band if you prefer a different look.

How does this model differ from other square G-Shocks?

The DW-5610UU-8DR uses a grey bio-based resin case and strap while keeping the same module, water resistance and feature set as the standard DW-5600 line. The bio-based material is partly derived from renewable organic sources.