Casio Men's Analogue-Digital Quartz Watch with Plastic Strap GM-2100-1AER

Product Information

The button tones for using the mode button can be turned off. This means that the watch no longer beeps when switching from one function to another. Preset alarm or countdown timers remain active when the button tones are deactivated. With the Casio Watches App, you can set the world time with 38 time zones (38 cities + coordinated universal time), city name display, daylight saving on/off, auto summer time (DST) switching, and Home city/World time city swapping (approximately 300 cities in total). Powered by any light source, saving time and money as no battery change required- known as TOUGH SOLAR

The high-brightness double LED light can be set to illuminate the dial for 1.5 or 3 seconds, at the push of a button, and includes afterglow. This is the same for both the GMB2100 and the GM2100. With a push of a button, hands are moving and permit a free visibility of functions like stopwatch or date.

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Elapsed time, split time and final time are measured with 1/100-sec accuracy. The watch can measure times of up to 24 hours.

Pressing a button on the watch records the date, time, and position on a map, which is then viewable within the Casio Watches App. The watch can remind you of up to five upcoming events, which you set within the app. There’s a phone finder function activated from the watch. CASIO WATCH+ World Time lets you select from among approximately 300 cities as the World Time City, Displays the current time in major cities and specific areas around the world On the wrist, I expected the 44 mm diameter to be cumbersome and a bit too large for my wrist and personal taste, but in reality, the case feels more like a 40 or 42 mm, primarily because the hinges on the left and right sides of the case add to the diameter but don’t make the watch wear as large as the dimensions suggest. I’ve yet to try on the smaller GMS2100 Series, which measures 40 mm in diameter, but I imagine it will have similar real-life wearability, which is to say it will likely wear small and comfortably as well — which is a good thing. At 11.8 mm, the case is incredibly thin and greatly enhances the incredible ergonomics. The lug-to-lug at 48.5 mm is also a key factor in why this watch wears so well (Casio’s official specifications state that it’s 49.3 lug-to-lug). Daily Alarms: Each will sound every day at the time you set, Hourly time signal: The watch beeps every hour on the hour

Product Features

Overall, the new GMB2100 dial is another level above the GM2100, however, the solar-powered recharging system necessitates a translucent material and thus prevents the application of a brushed or sunburst finish on the dial, whereas the GM2100 does feature a nice vertical brushed treatment. Also, the higher-end GMB2100 comes with a monotone color scheme, which looks menacing but is perhaps not as legible as the silver dial seen on the GM2100.

With the GM2100 series, you get the hype of the CasiOak — which is named for its resemblance to watch designer Gerald Genta’s famous octagonal Royal Oak design — now in a more durable and premium metal-clad version, and for a very reasonable price. The built-in stopwatch is accurate to 1/100th of a second for the first 60 minutes, after which the accuracy changes to one second, and the total measuring capacity of 24 hours. You can measure elapsed time and lap/split time and there’s also a 60-minute countdown timer. Measuring Capacity: 24 hours, Measuring Modes: Elapsed time, split time, Measuring Unit: 1/100 second (for the first 60 minutes) 1 second (after 60 minutes) There are 5 daily alarms available to set and an on/off hourly time signal, as well as a battery level indicator so you can ensure that the battery has received enough sunlight/artificial light. To conserve energy, the Power Saving features blanks out the display automatically when not in use (left in the dark). Perfect for free diving without scuba gear: the watch is water resistant up to 20 bar according to ISO 22810.Furthermore, both models have a flat mineral crystal that’s sunken below the plane of the bezel, meaning neither is likely to scratch. Even with a mobile Bluetooth connection, the movement is accurate to -/+ 15 seconds per month. The approximate battery operating time is 7 months when fully charged, with normal use, even without light exposure, and 18 months when stored in total darkness and the power save mode activated. Of the DW-5000C-derived Casio designs, this is one of the best, and while I’d like to see a little more contrast on the dial of the Full Metal GMB2100 or an option for a strap, both the Metal-Covered GM2100 and the Full Metal GMB2100, represent great looking watches, with good Japanese quartz precision, and incredible durability.

The button tones on the mode button can be switched off for discreet operation. Pre-set alarm or timer functions remain active. A mixture of vapor deposition and grind mark finishing on the outer ring and indices, respectively, adds a luxurious texture to the dial. On The Wrist Signal Range: Up to 2m (may differ depending on surrounding conditions), Auto time adjustment, Easy watch setting, Approximately 300 world time cities, Time & place and Phone finder using the CASIO CONNECTED APP In my experience, the brushed surface of the bezel holds up well, even with significant impacts. However, I’m not sure how durable the polished portion of the case will be, although on the sample units the only noticeable scratches were actually on the bezel, which you may notice in some of the photos in this review. Synthetic resin is the ideal material for wrist straps thanks to its extremely durable and flexible properties.Dual Illuminator: Separate illumination of the analogue and digital components ensures optimum readability in low light conditions., LED light, Selectable illumination duration (1.5 seconds or 3 seconds), With afterglow The combination of stainless steel and glass fiber reinforced resin supports the stability of the watch and provides a better wearing comfort. The daily alarm reminds you about recurring events with an acoustic signal at the time you have set. This model has 5 independent alarms for flexible reminders of important appointments.