News · Héron

Héron shrinks its hardened steel into a 37mm explorer

The Continental takes the Marinor's 1200HV steel out of the water and into an 8.5mm-thin, 37mm everyday watch for A$890.

Hen & Mills Editorial · 4 min read · 26 September 2026

• Héron, the Montreal brand behind the Marinor diver, has launched the Continental, a compact go-anywhere explorer and its first hardened-steel watch outside the dive range.
• The case and bracelet are hardened to about 1200HV, in a 37mm case just 8.5mm thick, the smallest and slimmest Héron has made.
• All three dials cost A$890 or US$630 each, sold on pre-order through Héron's own website, with the first batch due to deliver in January.

I have a long-standing soft spot for the one-watch collection, the idea that somewhere out there is a single steel watch that can go to a wedding on Saturday and a campsite on Sunday without looking out of place at either. We have all chased it, and most of us have ended up with six watches instead. Héron, the Montreal brand that launched in 2021 and made its name with the Marinor diver, has now built its own answer to the question, and it is a compact, hardened-steel explorer called the Héron Continental.

Thirty-seven millimetres and barely there

Start with the size, because that is where the Continental departs most clearly from what Héron already sells. The case is 37mm across and 43mm from lug to lug, and it is 8.5mm thick, or 11mm once you count the boxed sapphire crystal. That makes it the smallest and slimmest watch in the brand's catalogue, a fair way under the 39mm Marinor and a touch under the 37.5mm Mirabel. Héron itself says it wears like a 39mm, which I take to mean the dial is pushed out towards the edge, and on a small wrist those short lugs will be the difference between a watch that sits flat and one that overhangs.

Hardened steel, and an honest warning about it

Héron has treated the case and bracelet to roughly 1200 on the Vickers hardness scale, against something like 150 to 200 for ordinary untreated 316L steel. That is the same treatment every Marinor already gets, so it is not new for the brand, but it is new outside the dive range. The Mirabel models use ordinary 316L steel, some of them finished with gold PVD.

What I like here is that Héron does not oversell it. The brand says openly that polished surfaces still benefit from the hardening but may show fine scuffs more readily than brushed ones, which is the sort of caveat most marketing copy quietly leaves out. It means the Continental should shrug off the door-frame knocks that turn a new steel watch into an old one within a month, while still being a watch you will occasionally look at and sigh.

Three dials, and the cream one wins

There are three versions, each with a name that sounds like a holiday brochure. The 5001-A Alpine Adventure has a black sunray dial with white and bright orange accents. The 5002-A Jet-Age Journey is a deep blue sunray, which Héron ties to the golden age of air travel. The 5003-A Great Expedition has a lacquered cream dial, inspired by rare so-called albino dials, with its lume tinted to look like aged radium.

All three use a two-layer sandwich construction, with four raised, rounded lume blocks at the quadrants in Super-LumiNova. On the brand's photographs those blocks catch the light like the heads of drawing pins, and they give a very plain layout some welcome depth. I will commit to the cream one. The black is the safe choice and the blue is handsome, but the lacquered cream with the warm lume is the version that actually looks like the watch it is imitating, the one that came back from a long trip slightly sun-bleached.

Screwed down to a hundred metres

The crown and the caseback both screw down, and the watch is rated to 100 metres. That sits neatly between the Mirabel's 50 metres and the 250 to 300 metres of the Marinor divers, and it is the right number for this sort of watch: enough that you can swim in it and forget about it, without the thickness that a true diving rating would have asked for.

A Miyota you can watch working

Turn it over and you will find an exhibition caseback showing a custom snowflake rotor, brushed and coarse-grained with gold accents, including a Héron medallion. Beneath it is the Miyota 9039, the automatic calibre Héron already uses in the Marinor. It is a workhorse rather than a showpiece, and at this price that is exactly the right call, because it is cheap to service and there is a watchmaker in every town who knows it.

A bracelet built to take the knocks

The bracelet gets the same hardening treatment as the case, which is the right call, since a bracelet takes far more knocks than the case it hangs from. Héron has given it screwed links, a quick-release system and an on-the-fly micro-adjustment system. The lug width is 20mm, so there is a whole world of straps waiting if you ever want to swap it out. That micro-adjustment is the unglamorous detail that matters most on a go-anywhere watch, because your wrist in a Queensland February is not the same wrist it is in a Hobart July.

The point of the Continental is not any one feature, it is that Héron has taken what it already does well and packaged it at a size and a price that make the one-watch idea feel plausible again. That is harder to pull off than it looks.

Héron Continental pricing and availability

The Continental is sold directly through Héron's website on pre-order, with the first batch due to deliver in January. All three dials are the same price: A$890, US$630, C$880, £470, €540, CHF 521.