Hands-On: SEA-GULL Put a 4.5-Billion-Year-Old Meteorite on This Affordable Grail Watch

In watchmaking, a short list of complications has always lived behind the velvet rope: the tourbillon, the minute repeater, and of course, the rattrapante. Ever since Patek Philippe put the first split-seconds chronograph in a wristwatch back in 1922, it’s been the near-exclusive domain of five and six-figure haute horlogerie.

Which makes today’s watch, and the factory behind it, one of the most fascinating stories in modern watchmaking.

A Brief History

That story begins in Tianjin, China, in January of 1955, when four craftsmen in a small workshop hand-built China’s first mechanical wristwatch, the “Five-Star.” Six years later, the government handed the Tianjin Watch Factory a classified assignment, code-named Project 304: build the country’s first aviation chronograph for its Air Force pilots. 

Armed with tooling and patent rights acquired from the Swiss manufacturer Venus, the factory delivered prototypes in 1963, and roughly 1,400 pieces eventually reached active-duty pilots. 

That watch became the legendary D304, and its civilian descendant, the Seagull 1963, remains one of the most beloved value chronographs in the entire hobby.

And the factory never stopped climbing. It produced China’s first tourbillon in 2005. Its first minute repeater in 2006. And in late 2024, for its 70th anniversary, China’s first-ever rattrapante chronograph, which sent shockwaves through the enthusiast press.

Now, Seagull has upgraded that movement, wrapped it in Grade 5 titanium, and topped it with a dial sliced from a meteorite older than the Earth itself. Just 200 pieces, and launched globally on Kickstarter.

Let’s take a closer look at this week’s sponsor SEA-GULL’s Meteorite Rattrapante Chronograph.

At Glance

First Impressions

Alright, to understand this watch, you really need to understand the one that came before it. When Seagull released the original Rattrapante Split Second Chronograph Limited in December 2024 at $3,649, the watch media reacted with borderline disbelief, and the consensus was simple: nothing else new and mechanical splits seconds anywhere near this money.

This Kickstarter edition, reference 418.43.1077, builds on that foundation with three headline changes. First off, is of course the Muonionalusta meteorite dial, There’s also an upgraded ST1961-2 movement with elevated finishing, and a strictly limited run of 200 individually numbered pieces.

Pulling the watch out of the box, two things hit you at once. That dial is unlike anything we’ve handled at this price, a crystalline slab of the cosmos that shifts character with every angle. 

And this watch has presence on the wrist – it clocks in at 16mm tall. The $5,299 price also raises an eyebrow for a brand most enthusiasts associate with sub-$500 watches, at least until you start doing the value math. And we’ll definitely get into that.

The Case

Let’s address the elephant on the wrist. At 42.5mm across, 49.5mm lug-to-lug, and a full 16mm thick, this is absolutely a substantial watch, and there’s no talking around it. Here it is on our wearer’s 6.75″ wrist, where it wears every bit of its height.

But, to be fair, rattrapantes are thick by nature. You’re stacking an entire split-seconds module onto an already tall column-wheel chronograph; even Breitling’s Premier B15 Duograph runs over 15mm. 

Seagull’s answer is Grade 5 titanium for the case and bezel, bringing the complete watch to just 70 grams. This means the visual mass is definitely there; but the physical mass isn’t really – and that disconnect is pretty fun the first time you pick it up. 

Brushed case sides alternate with polished surfaces, while the three pushers wear a guilloché texture that reads as a wink toward vintage Patek chronographs. The layout is classic rattrapante: start/stop at 2 o’clock, reset at 4, and the all-important split pusher at 10, flanking a knurled push-pull crown. Water resistance is 50 meters, which is more than we’d expect from a dress-leaning complication.

Flip it over and you’ll find a decagonal screw-down sapphire caseback, individually engraved with each piece’s number out of 200.

The Dial

And now, the reason we’re all here. The dial is cut from the Muonionalusta meteorite, an iron-nickel octahedrite discovered all the way back in 1906 in northern Sweden.

What makes meteorite so coveted is the Widmanstätten pattern, which is that angular crystalline cross-hatching formed by molten metal cooling in the vacuum of space over millions of years. It physically cannot be replicated on Earth, and it’s only revealed once each slice is acid-etched. 

Seagull cuts these dials to a mere 0.4mm, and every one of these 200 watches is quite literally one of one.

Framing the meteorite are applied, polished Arabic numerals crafted with the same turning techniques as the 1963’s design language, a tachymeter scale on the raised flange, and twin recessed sub-dials with circular graining. The two central chronograph hands are the party trick: one heat-blued, one polished silver, chasing each other across billions of years of material.

One thing worth mentioning; there’s no lume, and the silver-on-silver palette is monochromatic by design. This is a well-lit-room kind of dial, and we’re okay with that given what it is.

The Movement

The heartbeat is the Seagull ST1961-2: a manually wound split-seconds chronograph running 27 jewels at 21,600 vibrations per hour, with roughly 45 hours of power reserve.

Let’s talk about that lineage for a second. The base architecture descends from the Swiss Venus 175, the column-wheel, horizontal-clutch design Tianjin acquired in 1961, which evolved into the ST19 family. 

Many of you will recognize that’s the same movement inside the Seagull 1963 and half the microbrand chronographs we feature including the likes Baltic, Lorier, and Studio Underd0g to name a few. 

In 2024, Seagull stacked a cam-actuated split-seconds module onto that proven base to create China’s first rattrapante caliber. Purists might’ve preferred a second column wheel for the split, but the cam was chosen specifically for robustness and serviceability. It’s the same philosophy Habring²  famously used to build the most attainable rattrapantes before this one.

In practice, it’s really addictive. Press the pusher at 2 and both stacked seconds hands sweep off together. Press the split pusher at 10 and one freezes for your intermediate time while the other keeps running. Press it again and the stopped hand snaps forward to catch its partner, instantly with no stutter. 

And through the caseback, you can watch the split mechanism’s heart-shaped cam do its work.

The “-2” is where Seagull answered its enthusiast critics, who dinged the original’s inconsistent finishing. There’s now rhodium-plated bridges, finely brushed transmission components, and traditional flame-blued screws with that deep, heat-treated color that you just can’t fake with paint.

Now, as promised, let’s talk about the value math. Breitling’s Premier B15 Duograph lists at $12,450 in steel. Habring²’s Doppel runs right around $10,000. Of course, you could go secondhand with IWC and Omega rattrapantes ranging from around $3,000 to $6,000, but that’s a bit of a warranty roulette considering this is one of watchmaking’s most temperamental complications. 

Even Seagull’s own non-meteorite Rattrapante currently retails at $4,299. Against that landscape, this watch isn’t even really competitive – it’s essentially alone.

The Strap

Onto the strap. The 22mm strap is double-sided alligator leather, supple out of the box with a soft, small-scale underside, and it’s fitted with quick-release spring bars for easy swaps.

It closes on a titanium pin buckle, and if we’re nitpicking, a watch at this tier deserves a deployant. However, it’s a minor design preference from our end rather than a design flaw.

FINAL THOUGHTS

So, the question we always ask: is the SEA-GULL Meteorite Rattrapante worth it?

Consider what $5,299 buys: it’s a genuine mechanical split-seconds chronograph – we’re talking about a complication that starts north of $12,000 new anywhere else. 

It’s also a one-of-one dial, and in a serialized run of 200 from the actual Tianjin factory behind China’s first watch, first aviation chronograph, first tourbillon, and first rattrapante. 

Of course, it’s not for everyone. It does wear tall, it needs winding, and it’s a statement piece by definition. But for the enthusiast who’s dreamed of a grail complication without the grail price tag, and for the 1963 owner curious what this factory can do with a real budget, it’s a pretty easy case to make.

Recap

SEA-GULL Meteorite Rattrapante Chronograph

The most affordable split-seconds chronograph you can buy, and it comes with a genuine meteorite dial. It’s a grail complication from the factory behind the beloved 1963, in a featherweight titanium case, limited to just 200 pieces at $5,299. Its only real hurdle is a 16mm case that wears tall.

Pros

• Only meteorite-dial rattrapante anywhere near this price
• One-of-one Muonionalusta Widmanstätten dial
• Upgraded ST1961-2 with rhodium bridges & flame-blued screws
• Grade 5 titanium keeps weight 70 grams
• Numbered edition of 200
• Lineage from China’s first rattrapante maker

Cons

• 16mm thickness wears tall
• Pin buckle instead of a deployant clasp
• No lume anywhere on the dial
• Manual winding demands a hands-on owner
• Service network outside China is still maturing

Learn More: SEA-GULL