Bremont Updates the Supermarine 500m: Same Soul, Better Watch
Bremont has given its Supermarine 500m dive watch a sharp new update, making a solid tool watch even better. The new version keeps the 43mm case size but upgrades just about everything else: materials, legibility, and wearability all get a bump.
Let’s start with the metal. Bremont has moved to 904L stainless steel, a higher-grade alloy that’s more corrosion-resistant, tougher to scratch, and shinier than the 316L you find on most steel watches. It’s not just a cosmetic upgrade—904L is the kind of steel Rolex has been using for years, and it’s built for harsh conditions.
The bezel is now a black ceramic insert, still uni-directional of course, and the dial has been redesigned with a subtle 3D wave pattern. The Super-LumiNova® (white by day, blue glow at night) fills the indexes and hands, giving it that legible-at-a-glance quality that matters in the water. Sword hands, a date window at 3, and a nicely domed AR-coated sapphire round it out.
Inside is Bremont’s automatic BB64AH movement, running at 28,800 BPH with a 56-hour power reserve. The case has a helium escape valve, an oversized crown with guards, and a screw-down case back with engraving. It’s rated to 500 meters, so this is not just splashproof—it’s serious dive kit.
You’ve got three strap options: a black rubber quick-release strap, a black and anthracite NATO, and a polished/satin-finished steel bracelet with quick release and micro-adjustment. That bracelet design, introduced last year on the Supermarine 300m, carries over nicely here and should fit a range of wrist sizes without issue.
The new Supermarine 500m is more refined, but it’s still built to be used. It doesn’t scream for attention, but the details are there if you look. For anyone who wants a dive watch that performs without pretense—and looks good doing it—this is worth a closer look.
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