Studio Underd0g 04Series Calendar: The British Microbrand's First Calendar Watch Is a Proper Milestone

Studio Underd0g has been doing its own thing since Richard Benc launched the brand in 2020. Colourful chronographs, sapphire-dialed field watches, fun collaborations, all at prices that don't require a second mortgage. Five years in, the British microbrand just did something it's never done before: it built a calendar watch.

The 04Series Calendar is exactly that. It's the brand's first watch with a calendar complication, its first automatic movement, and the first time Studio Underd0g has actually had a hand in shaping the movement it uses. That's a lot of firsts for one collection. For a brand that's spent half a decade establishing its personality, this feels like the moment it starts growing up without losing what made it interesting.

What's Actually New Here

The headline complication is a retrograde date display paired with a weekend indicator. The retrograde part means the date hand sweeps across a scale and snaps back at the end of the month rather than cycling around a traditional disc. The weekend indicator highlights Saturday and Sunday separately, which is a small touch but a genuinely useful one. You can tell at a glance whether tomorrow is a workday or not without doing mental arithmetic.

Critically, Studio Underd0g didn't just drop an off-the-shelf movement into this watch. The brand worked with Seagull to develop and refine the caliber powering the 04Series Calendar. That's a meaningful step. Most microbrands at this price level pick a movement from a catalogue and design a dial around it. Actually influencing how a complication is built and integrated is a different level of involvement entirely.

Who Is This For

If you've been following Studio Underd0g since the 01Series chronographs and you've been waiting for something a bit more grown-up, this is the watch. It keeps the brand's sense of colour and design confidence while adding real horological substance. The calendar complication gives you something to talk about beyond the dial design.

It's also worth noting the accessible pricing the brand has always stood behind. Studio Underd0g built its following by offering genuine value, and the 04Series Calendar continues in that tradition. You're not paying a premium just for the name on the dial.

For someone new to the brand, this might actually be the best entry point yet. It demonstrates what Studio Underd0g can do technically, not just aesthetically.

How It Fits Into the Studio Underd0g Story

Running through the brand's catalogue in order tells you a lot. The 01Series was about bold chronographs and establishing an identity. The 02Series field watches pushed into more considered, utilitarian territory with that distinctive sapphire-and-screw dial. The 03Series continued building the aesthetic vocabulary. Now the 04Series Calendar introduces a complication and an automatic movement. Each collection has added something.

What's notable is that Studio Underd0g hasn't pivoted. It's expanded. The brand still looks like itself. The 04Series Calendar doesn't feel like a brand trying to be something it's not. It feels like a natural next chapter.

• First automatic movement in the Studio Underd0g lineup, developed in collaboration with Seagull
• Retrograde date display that sweeps and snaps back rather than cycling continuously
• Weekend indicator highlights Saturday and Sunday at a glance
• First time the brand has directly shaped a movement and its complications
• Continues the brand's tradition of accessible pricing with genuine design intent

Up Against the Competition

At the accessible end of the calendar watch market, your options are mostly date windows. A proper retrograde date with a weekend indicator is a genuinely differentiated offering at this price level. You're not choosing between this and a Grand Seiko annual calendar. You're choosing between this and a simple date display on something twice the price from a brand half as interesting.

The Seagull partnership matters here too. Seagull movements have a long track record in the microbrand world. They're reliable, they're serviceable, and they're not going anywhere. Studio Underd0g knowing the movement well enough to help develop it means you can expect better integration between the complication and the overall watch than you'd get from a brand that just bolted something in.

The 04Series Calendar is the most ambitious thing Studio Underd0g has made. It earns that description honestly, by actually delivering something new rather than just calling itself ambitious. Keep an eye on what this brand does next.