Sicura is back with a watch that understands why the name still carries a strange charge among vintage tool-watch people. The new HEXA 400 Blue, reference H400.SS.A.40ATM.02.SS, does not try to return as a delicate tribute. It comes as a 40 mm Swiss-made automatic diver with a hexagonal steel case, twin screw-down crowns, internal rotating bezel, ceramic external bezel and 400 m / 40 bar water resistance.
What launched
The official Sicura product page lists the HEXA 400 Blue at €1,450. The case is made from 316L stainless steel, measures 40 mm across and 14 mm thick, and uses two screw-down crowns at 2 and 4 o'clock. One crown handles winding and setting; the other commands the internal rotating bezel. That twin-crown architecture is the detail that stops the watch from feeling like just another vintage-colored diver.
The matte blue dial uses applied indexes, a large Super-LumiNova 12, date window, blue-yellow minute track and a black ceramic external bezel. On the bracelet side, Sicura specifies a brushed 316L steel three-link bracelet with folding safety clasp and micro-adjustment. The result is visually busy, but in a deliberate tool-watch way: many details, all trying to make the watch feel functional rather than decorative.
Why the return matters
Sicura's story has always been unusual because the brand sits in the shadow of Breitling history. Ernest Schneider, the Sicura owner who acquired Breitling in 1979, became part of the larger modern Breitling rescue narrative. That can make Sicura feel like a footnote, but the old Sicura diver designs had their own eccentric appeal: bold shapes, adventurous case language and an enthusiasm for tool-watch theater.
The HEXA 400 is smart because it does not sand that eccentricity down too much. The hexagonal case, two crowns, blue-yellow scale and oversized 12 keep the watch from becoming a generic skin-diver revival. At the same time, the Sellita movement, sapphire crystal, ceramic bezel and 400 m rating give the modern version enough technical credibility to avoid feeling like pure costume.
Movement and specification
Inside is the Sellita SW200-1 Élaboré, a pragmatic Swiss automatic calibre rather than a high-drama movement choice. That feels right for the brief. A revived tool-watch name benefits more from a known, serviceable automatic than from an exotic movement that would push the price into another category.
The 400 m rating is the real spec anchor. Many heritage divers return with the look but not the depth rating. Sicura has instead made the water-resistance number part of the name and identity. Combined with screw-down crowns, sapphire crystal with anti-reflective and anti-fingerprint coatings, and the dual-bezel idea, the HEXA 400 has enough substance to justify being discussed as more than a styling exercise.
Horomag take
The HEXA 400 works because it lets Sicura be a little odd. The watch does not chase minimalist vintage taste, and that is a relief. It revives a forgotten Swiss tool-watch name with a case shape, color code and technical package that feel specific enough to remember.
The risk is obvious: the design will not be for everyone. A hexagonal 14 mm-thick steel diver with twin crowns and yellow scale accents has a lot going on. But for collectors tired of safe retro divers, that is exactly the hook. Sicura has returned with a watch that looks like it has a point of view.
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