There are times when less is more, but there are also watches where more is more. That is very much the case with this Casio G-Shock GA-100BW-1A.

I don’t think anyone buys a watch like this because they want something restrained. The whole point here is the size, the shape, the dial layout, and especially the very sharp black and white contrast. This watch has a lot going on visually, but I think that is exactly why it works. The front of the watch has a striking binary look to it, and even though this is now an older model, I still find it very attractive.

This GA-100BW-1A was part of Casio’s White and Black collection and was released in 2015. It uses module 5081 and has the familiar GA-100 formula of analog and digital timekeeping in a large resin case. Shockbase lists it at 55 x 51.2 x 16.9 mm and 70 grams, which sounds large on paper, and it definitely has real presence in person. At the same time, I would not call it especially heavy. It is a substantial watch, but not an uncomfortable one.

What I like most about this watch is that it feels very honest about what it is. It is utilitarian, sturdy, and built to take abuse, but it also has a style to it that keeps it from feeling purely functional. A lot of tough watches end up looking flat or generic. This one does not. The black outer case against the white dial gives it a really punchy look, and I think that helps it work in more settings than people might expect. I can easily see it as an outdoor watch, a casual everyday watch, or even something that fits in on a night out because the black and white color scheme has enough edge to it.

Like a lot of G-Shocks from this era, the display setup is not perfect. This one has negative digital displays, and while they look good as part of the overall design, they are not the easiest to read in every lighting condition. The LED light is also from an older generation, coming up from the base rather than giving the whole dial an even illumination. In practice, that means nighttime readability is not one of this watch’s strengths. I found the analog hands slightly easier to pick out in lower light, but overall this is a watch where the visual design matters more than perfect after-dark legibility. Shockbase also confirms the negative display and LED light type, which lines up with that experience.

Another thing worth mentioning is the hand-setting system. This watch has a separate hand adjustment process for the analog hands, and I would not describe it as especially intuitive the first time through. Once I had done it a couple of times, it made more sense, but it is one of those classic Casio features that feels practical rather than elegant. It works, but it does ask a little patience from the owner.

As a used watch, this example makes a good case for why older G-Shocks still matter. The caseback on this one shows scratching from normal wear, and there is visible use around the case and strap hardware, but none of that really hurts the appeal for me. If anything, a watch like this can carry some wear without losing its identity. It is not a delicate watch, and I do not think it needs to look pristine to be appealing.

This one also has a replacement band keeper, which is worth noting, but that does not bother me much in the context of a used G-Shock. What I actually like here is the buckle setup. The strap uses a very secure double-tang buckle arrangement, and that gives the watch a locked-down feeling on the wrist. It feels secure in the way a true sport watch should.

On the practical side, this model still holds up. Shockbase lists 200 meters of water resistance, mineral glass, resin construction, magnetic resistance, world time, and five alarms, all of which help explain why the GA-100 series has stayed relevant for so long. It was a very usable watch when it came out, and it is still a very usable watch now.

What I come back to with this watch is that it shows how a ten-year-old design can still feel current if the original idea was strong enough. This watch does not feel dated to me in a bad way. It feels like a product of a certain G-Shock era, but one that still makes sense now. The size is still bold, the styling is still sharp, and the black and white treatment still looks good.

I would not recommend it to somebody who wants a slim watch, a quiet design, or the best possible digital readability. But for someone who likes big G-Shocks, likes the tougher resin case style, and wants something that feels both rugged and visually distinctive, I think this is still a very solid used buy.

More than anything, I think this watch is a good reminder that relevance is not just about being new. Sometimes a watch sticks around because the design still works, and I think that is true here.