The GD120MB-1 is a blacked-out all-digital Military Black version of the popular Big Case 100 Series. Measuring 55 × 51.2 × 17.4mm, the GD120 is better suited to those with large wrists. The GD120 has a 7-year battery making it a good choice for worry-free military use.
Guided by a “Triple-10” development concept, the original design teams sought a watch with 10-meter free-fall endurance, 10-bar water resistance and a 10-year battery life. Dual lighting gives an afterglow to the and analog face and digital display. Functions include world time for 31 zones, a chronograph with a 1/100-second stopwatch, 5 daily alarms, hourly time signal, and calendar to 2099.
This G Shock military watch is for those of you who are not into “black” but prefer more of a military/camo color. The G-Shock Rangeman is a classic for those looking for a range of military/survival features in a watch. As you would expect, there is also a wide range of functions including a stopwatch, and countdown timer. If you are traveling then there is also 29 zone world time, as well as 5 alarms, and an automatic calendar.
Your choice of colorways will dictate how loud or subtle the watch is. These models lack analog hands, and thus harken back to the earliest G-Shocks that appeared in 1981 from the drawing pad of renown Casio designer Kikuo Ibe. They range from small retro-styled units to some of the wildest behemoths in the G-Shock range. Go to the Casio G-Shock website and you’ll find over 300 individual watches. Filter out women’s models, and you’ve got roughly 292 models grouped into ten collections.
They come and go, but mostly go, making them pretty hard to get. These models currently include the GW2310FB-1B4, GR8900A-1, the GDX6900FB-1, and the DW6900SK-1 with two other color variants, as well as some of the recent Revival Collection models. DW5600BB-1 $ 99.00 From G-SHOCK, the watch brand that is constantly setting new standards for timekeeping toughness, comes a basic DW5600 case silhouette with monotone black coloring.
I have some solar G-Shocks that are almost 10 years old (GW-M5600, GW-225) and a GW-9000 which is 10 years old and they are still working fine with the original rechargeable batteries. They usually stay charged to the maximum without having to leave it in the sun or under bright light, at least for the all-digital models. If you’re not going to wear it just leave it by a window and it should be okay. But I would say go with your first choice and then get your second choice later. The cheapest ones are okay but they don’t have all the features like world time, multiple alarms, and auto light.