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Here's what you need to know about all 11 models in the groundbreaking new collection.

The toughest thing, for most watch fans, will be picking a favorite. Or two. That's how many you can buy at any one store. But there are 11 total watches in the collection. That means at any given point of purchase, you can get just over 18 percent of the total offering. Not enough for real heads. And that means a whole lot of collectors are looking at a little extra travel this Saturday, March 26, when the groundbreaking collaboration between Swatch and Omega hits the shelves—however briefly—at select Swatch stores.

Not to overstate the issue, but this is a big damn deal. Omega is under the umbrella of Swatch Group, as is, of course, Swatch, but the fact that the two are jumping into the sandbox together and playing around is newsworthy for watch fans of all stripes and kind of Earth-shattering for devotees of each maker. Speaking of celestial bodies, another reason why this team-up is so exciting is the watch that's being Swatch-ified: none other than the Speedmaster Professional, aka the Moonwatch.

It's an iconic design, the one worn by astronauts on Apollo missions, and a much-beloved piece for watch collectors in general and Omega collectors specifically. It's also, well...not cheap. That there's now a version available for just $260 with Swatch co-branding might upset a purist or two. To them, I say simply: Lighten up. Swatch is all about having fun. Even if the MoonSwatch, as it is (delightfully) named, offers up a pretty-damn-faithful recreation of the shape and detailing of the OG Moonwatch, the idea that it'll devalue the original in some substantive way seems far-fetched. Because even though you can get that instantly recognizable shape, three sub-dials, and even the fan-favorite dot over 90 in Tachymeter bezel, this isn't a substitute for something. It's its whole own thing.

First off, instead of stainless steel, the MoonSwatch's case is made of Swatch's proprietary BioCeramic, which blends ceramic and castor seed-derived bio-plastic into a material that's lightweight, scratch-resistant, pleasing to the touch, and just generally cool. There are also small deviations like the placement of the sub-dials and logos, and an "S" etched into the dial instead of an Omega logo. But what's most obvious, versus the original, is the sheer range of colors present on this new offering.

Each colorway of the MoonSwatch (I'm just going to keep saying it; it's fun) is based on a different body in our solar system, and each is given a "Mission" name. There's Mission to the Moon, and its correspondingly faithful rendition of the Moonwatch. Then there's Mission to Saturn, where you'll find rings around the 12-hour counter at 6 o'clock. Or Mission to Mars, which features a bold red-and-white color combo and is based on a prototype Omega created for NASA in 1972. Mission on Earth plays with blue and green, while Mission to the Sun goes big on yellow. You get the gist.

Will buying one of these watches on March 26 (that's this Saturday, by the way) suddenly relieve you of your craving for an honest-to-goodness Moonwatch? Probably not. But if you do manage to get your hands on one—they aren't billed as limited, but Swatch collectors are serious and they likely won't be easy to secure—you can rest assured that you have something unique, forward-thinking, and just plain fun on your hands. And then, once you've secured its spacesuit-friendly velcro strap, on your wrist.