I never really expected to see Casio making watches like this. The company has spent decades building its reputation around quartz movements, digital displays, and some of the most affordable watches you can buy. Now we’re looking at the new Casio CMK-100, a 38mm titanium automatic with a sapphire crystal and some pretty obvious Tudor Ranger vibes. Prices start at around $320, and I think there’s quite a bit to like here.
The design is what caught my attention first. There’s something familiar about the large Arabic numerals at 6, 9, and 12 o’clock, especially when paired with the simple baton markers and relatively clean dial. The Tudor Ranger comparison seems appropriate, although I think Casio has done enough to give this watch its own identity. The rounded cushion case is a departure from the Ranger’s traditional field-watch profile, and the flat bezel works surprisingly well with the dial.
I’m also glad Casio kept the dimensions reasonable. The case measures 38mm across, 44.7mm lug-to-lug, and 11.4mm thick. To me, those proportions make sense for a watch with this kind of design. There’s no need for an oversized case here, and titanium should help keep things relatively light. Casio has also incorporated a sapphire crystal and 100 meters of water resistance.
Dial options include black, gray, and brown, each with a subtle textured finish. There’s a date window at 3 o’clock, luminous hands and markers, and very little unnecessary text. I particularly like the black dial on the titanium bracelet, although the nylon and leather configurations have their own appeal. Some of the warmer dial and strap combinations also feature vintage-colored lume.
Of course, the mechanical movement is another reason this release is getting attention. Casio introduced its first automatic Edifice models with the EFK-100 last year, and the CMK-100 brings mechanical watchmaking into the company’s mainline catalog.
Inside is an unidentified Japanese automatic movement with 21 jewels, a 42-hour power reserve, and a frequency of 21,600 vibrations per hour. The specifications look similar to what we’ve seen from Miyota, although Casio hasn’t confirmed the movement’s identity. With a stated accuracy tolerance of -20/+40 seconds per day, there’s nothing particularly remarkable about the caliber itself.
I do find Casio’s decision to expand its mechanical offerings interesting, though. The brand has spent years making affordable quartz watches that are more accurate and generally less demanding to own. There’s something a little amusing about seeing Casio move toward mechanical watches when so much of its identity was built around making them unnecessary.
Pricing seems to range from $320 for the nylon strap versions to $440 for the titanium bracelet, with leather options sitting between them. In my opinion, that’s fair territory for a titanium automatic with sapphire, especially if the bracelet turns out to be decent. US availability is expected to begin November 19.
My take is that Casio got the design right. The proportions are sensible, the dial is restrained, and the titanium construction makes the CMK-100 worth a closer look. I’d still like to know more about the movement and see how the finishing compares with other affordable automatics. For now, I’m curious to see where Casio takes this mechanical experiment next.
Co-Founder & Senior Editor
Michael Peñate is an American writer, photographer, and podcaster based in Seattle, Washington. His work typically focuses on the passage of time and the tools we use to connect with that very journey. From aviation to music and travel, his interests span a multitude of disciplines that often intersect with the world of watches – and the obsessive culture behind collecting them.