After a year without a square G-Shock, Time+Tide senior contributor Borna Bošnjak says he understood its value as soon as his Casio GW-M5610 arrived: it was the watch he could reach for to time a workout, check the calendar or keep track of another time zone. His account is about everyday usefulness and attachment, not a controlled durability test or a verdict that everyone needs the same watch.
What he missed during a year without a G-Shock
Bošnjak’s preferred G-Shocks were square models. He had owned DW-5600 watches, but one was lost and another left his collection with a family member. During the year without one, he tried to make another watch cover more situations and wore a lightweight titanium-cased watch. What he missed most was having a convenient timing function for gym sessions.
His description of the first day with the replacement captures the personal nature of the realization: “You really never know how much you love something until it’s gone, and the first day my new GW-M5610 arrived made that painfully obvious,” Bošnjak wrote in his Time+Tide review published February 2, 2026. The appeal was not a newly discovered feature so much as having useful functions ready on a watch he was comfortable wearing.
Why he chose the GW-M5610
Bošnjak’s stated reason for moving from the DW-5600 to the GW-M5610 was that he did not want to face a battery replacement on the former. The GW-M5610’s solar charging suited that preference. Casio’s US product page identifies the listed GW-M5610-1 as Tough Solar, and its Module 3495 operation guide explains that the rechargeable secondary battery is charged by a solar panel integrated into the watch.
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- Rugged & Sporty Design – Matte black finish with bold digital display, built for tactical, military, and extreme sports enthusiasts.
- High-Brightness LED Backlight – Features Super Illuminator LED with a light guide plate, ensuring exceptional visibility in low-light conditions.
- 200M Water Resistance – Engineered for swimming, snorkeling, and outdoor adventures, this shock-resistant watch is ready for action.
- Extended 7-Year Battery Life – Powered by a CR2025 battery, offering years of reliable performance without frequent replacements.
- Shock-Resistant Structure – Built to withstand extreme conditions, making it ideal for sports, military, and rugged outdoor use.
Solar power still depends on light exposure and charging conditions. Casio advises exposing the watch to light when it is stored rather than leaving it in darkness. This is a charging convenience, not evidence that the watch will run indefinitely without light.
What the watch does in daily use
In Bošnjak’s routine, the GW-M5610 provides a regular 24-hour display and calendar, world time for saved travel destinations, and a stopwatch for interval training. Those functions make the watch useful beyond the moments when a wearer wants a rugged-looking square.
Rank #2
- Shock-Resistant Durability: Built to withstand the toughest conditions, this G-Shock watch features a rugged resin case and bezel, perfect for outdoor adventures and extreme sports.
- 200M Water Resistance: Designed for water enthusiasts, it’s suitable for scuba diving, swimming, and snorkeling, providing reliable protection up to 200 meters.
- Electro-Luminescent Backlight: The blue-green EL backlight with afterglow ensures clear visibility of the time, day, and date, even in complete darkness.
- Precision Stopwatch & Countdown Timer: Measure elapsed and split times with the 1/100-second stopwatch, or set up a countdown timer with up to a 24-hour range, ideal for timing workouts or daily tasks.
- Multi-Alarm with Flash Alert: Stay on schedule with a customizable alarm, hourly chime, and flash alert that combines light and sound for added convenience.
Casio’s US listing for the GW-M5610-1 specifies 29 time zones, represented by 48 cities plus UTC; a 1/100-second stopwatch; a countdown timer; five daily alarms; a full auto-calendar; and Multi Band 6 radio time adjustment. The radio feature receives compatible calibration signals; it should not be taken to mean automatic correction is available everywhere. Casio lists calibration stations in Japan, the United States, Germany, England and China.
GW-M5610-1 specifications listed by Casio US
| Specification | Casio US listing |
|---|---|
| Dimensions | 46.7 × 43.2 × 12.7 mm |
| Weight | 51.7 g |
| Case and band | Resin |
| Construction and water resistance | Shock resistant; 200 m water resistance |
| Crystal | Mineral glass |
| Power | Tough Solar |
| Operation estimate after full charge with no further light exposure | About 10 months |
| Power-saving estimate in darkness | About 22 months with power saving enabled |
These are manufacturer specifications and estimates for the US-listed GW-M5610-1, not measurements of Bošnjak’s individual watch. In particular, the no-light and power-saving figures describe different stated conditions; neither is a promise of two years of ordinary operation. Casio’s US product listing provides the specifications. Regional pages can give different estimates, so the figures above should not be generalized to every market variant.
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- Super Matte Finish, Shock Resistant, 200M water resistance, LED light (Super illuminator), World time, Stopwatch, Countdown timer, 5 daily alarms, Hourly time signal, Hand shift feature
- Full auto-calendar, 12/24-hour format, Analog: 2 hands (hour, minute (hand moves every 20 seconds)), Digital: Hour, minute, second, pm, month, date, day, Approx. battery life: 5 years on CR2016
- Quartz Movement
- Case Diameter: 52.8mm
- Water resistant 200m (660ft): in general, suitable for professional marine activity and serious surface water sports, but not diving
Durability: useful anecdotes, not a test
Bošnjak recounts wearing his square G-Shock in snow and water, around outdoor cooking, and after dropping it from roughly two stories. He says it continued to look much as it had when new. The review also jokes that photographs supposedly taken on a lake floor were actually taken in a fish tank. These are the owner’s anecdotes, not independent testing, and they do not establish what another watch will withstand or what a warranty covers.
The trade-offs he noticed
The watch’s usefulness did not make it ideal for every setting. Bošnjak found its appearance casual and said it sat awkwardly in his canvas travel roll. Those are personal observations, but they point to a real choice in the role he describes: he valued having a practical, readily available timer and a watch he was not worried about wearing, while accepting less dressiness and less convenient packing than he wanted from other watches.
Rank #4
- Band Size: Mens-Standard
- Shock Resistant
- Auto LED Light with Afterglow
- Magnetic Resistant
Is the GW-M5610 worth it?
In this account, the GW-M5610 was worth returning to because it restored a set of everyday functions Bošnjak had missed, while solar charging addressed his reluctance to deal with a DW-5600 battery replacement. That is a useful way to judge the watch for yourself: consider whether you want its timing and calendar functions close at hand, whether solar charging fits how you store and wear a watch, and whether its casual style and size suit your routine. One owner’s experience cannot establish a universal ranking among G-Shocks or prove that every wearer needs one.
Quick Recap
Best Value
- Sport Type: Scuba Diving
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
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