
Seiko took one of the oddest machines Honda ever built, the folding Motocompo scooter, and pressed its spirit into something you wear instead of ride. The Seiko 5 Motocompo Limited Edition sits inside the refreshed 5 Sports Field series, and it lands as the most charming small watch Seiko has shipped at this price in a while. The compass bezel gives it a rugged face, the compact case keeps it playful, and the whole package reads like a toy in the best sense.
Price: GBP 340.00 (About $450)
Where to Back: Seiko UK
The short version: a 36.4mm field watch, a 4R36 automatic ticking inside, a nylon strap, and a September 2026 arrival at GBP 340. Seiko caps it at 8,000 pieces. If the Motocompo passed you by in the 1980s, this is a far cheaper way to keep one on your wrist.
What Seiko Actually Made Here
Strip away the theme and you’ve got a proper little field watch. The dial keeps the classic layout, big Arabic numerals, a clean minute track, and hands that glow, so you can read it in a dark tent without hunting for a torch. LumiBrite coats the hands and the indexes, the sort of detail that pays off the first time you check the time at 3am.
The compass bezel earns a second look. Its serrated edge catches the light with a faint sparkle, and the knurling gives your fingertip real grip when you turn it. Seiko borrowed that idea from its outdoor Prospex line, and dropping it onto a watch this affordable feels generous.
What sells the concept is the size. At 36.4mm it wears small and stays true to the Motocompo’s tiny footprint, and that restraint is rarer than it should be in a market still chasing bigger cases.
The Motocompo Connection
Honda built the Motocompo in the early 1980s as a fold-up scooter that could slide into the boot of a Honda City. It weighed about 42kg dry, ran a 49cc two-stroke engine, and folded its bars and seat flat into a plastic box on wheels. It was clever, a little absurd, and adored by the people who now hunt them down.
Seiko leans into that story rather than hiding it. The limited-edition caseback and the engraved serial number nod to the collectible spirit, and the boxy, primary-color energy of the scooter shows up in the watch’s cheerful character. You don’t need to know the Motocompo to enjoy the HDB010, but knowing it makes the watch click.
A Smaller Case Than the Field Series Norm
The HDB010 splits from its siblings on one spec: size. The standard 5 Sports Field models run 41mm across and 13.2mm thick, chunky by modern field-watch standards, while this one shrinks to 36.4mm wide, 12.5mm thick, and 44.4mm lug to lug.
The case is stainless steel with a hard coating, so it should shrug off the desk scuffs a limited piece tends to collect. A curved Hardlex crystal sits on top, and Seiko keeps water resistance at 10 bar, enough for rain, sweat, and a careless dunk. The lug width lands at 18mm, a touch narrower than the 20mm on the bigger Field models, so your strap drawer may need a fresh option.
The nylon strap suits the theme. It’s light, it breathes, and it matches the go-anywhere attitude the Motocompo was built around. I’d have loved a bracelet to match the steel HDB006 and HDB007, yet on a watch this small and this cheap, the strap keeps things true to the concept.
The 4R36 Doing the Work
Inside sits Seiko’s 4R36, the workhorse automatic that powers a big chunk of the affordable Seiko catalog. It hand-winds, it hacks so you can set the seconds precisely, and it shows the day and date at three o’clock. Nobody buys this movement for bragging rights, and that’s fine.
The trade-off is the power reserve, which sits around 41 hours. Leave the HDB010 off your wrist across a long weekend and it stops, so you’ll reset it Monday morning. On a watch this playful that’s a small tax, and a few twists of the crown clear it before coffee.

Price, Numbers, and When It Lands
Seiko prices the HDB010 at GBP 340 and opens it in September 2026 through its own boutique channel. That keeps it approachable: you’re paying standard Field-series money for a limited theme, not a collector premium.
About that limit: Seiko caps production at 8,000 pieces. That sounds exclusive until you count how many wrists want an affordable Seiko with a real story behind it, so 8,000 might not linger as long as the number suggests. We’ve seen the same pull with other affordable limited runs, like the Citizen Tsuyosa Shore limited edition, so treat this as a watch to buy early rather than one to sleep on.
Availability outside the UK boutique isn’t confirmed, so cross-border pricing and stock aren’t clear yet. If you want a field watch with a bigger story and a bigger budget, our look at the Hamilton Khaki Field ‘Odyssey’ limited edition sits at the other end of the scale.
Should You Chase One
The Seiko 5 Motocompo Limited Edition isn’t trying to be your only watch, and it doesn’t need to be. It’s a small, well-built field piece with a real story stitched into every design choice, and at GBP 340 (sbout $450 in the US) it asks very little to join the fun. If the Motocompo means something to you, or you want a compact automatic with character, this is an easy yes.
Price: GBP 340.00 (About $450)
Where to Back: Seiko UK
Seiko made a folding scooter you can’t ride and turned it into a watch you’ll actually wear. That’s a trick worth 8,000 wrists.



