Isotope Goes Deep With Hydrium Grey Reef Shark
Independent British watchmaker Isotope has never been shy about charting its own course. The Hydrium line, already one of the most distinctive contemporary dive‑watch platforms, now gains a striking new chapter, the Hydrium Grey Reef Shark, a 200‑piece limited edition that distils the character of its namesake through attitude.
Isotope’s design language has always been anchored by the Lacrima, the teardrop‑shaped signature that sits proudly at the centre of the dial. Here, it rises from a cold grey surface that borders on brutalist, an aesthetic choice that suits the shark metaphor perfectly.
Surrounding it is a raised chapter ring, paired with Isotope’s distinctive handset and generous Super‑LumiNova for low‑light legibility. The result is a dial that feels sculptural, tactile, and unmistakably Isotope. Perhaps the most significant development for existing Hydrium collectors is the debut of the all‑new Hydrium stainless‑steel bracelet. For years, enthusiasts have asked for it; now it arrives with purpose.
Crucially, it fits every Hydrium produced to date, giving long‑time owners a fresh way to experience their watches. Each Grey Reef Shark ships with both the bracelet and a grey FKM rubber strap, reinforcing the model’s versatility.
With only 200 pieces available, the Hydrium Grey Reef Shark is positioned as a focused, collector‑minded release. At £1,300.00, it offers a compelling blend of independent design, robust engineering, and genuine originality, qualities that have become hallmarks of Isotope’s work.
The Grey Reef Shark is not a thematic novelty; it is a study in restraint, texture, and form. It demonstrates how Isotope continues to evolve its design language while staying true to the elements that make the brand distinctive.
For collectors who appreciate independent watchmaking with a strong visual identity and for Hydrium owners eager to experience their watches anew, the Grey Reef Shark marks an important moment in the ongoing Isotope story.
Technical Specifications:
• Case: Microblasted 316L stainless steel
• Diameter: 40mm × 48mm (including lugs)
• Height: 12.9mm (14.9mm including double-domed sapphire crystal)
• Caseback: Hydrium® screw-down exhibition caseback
• Bezel: Unidirectional stainless steel, 120-click, with Super-LumiNova® pip at 12 o’clock
• Crystal: Double-domed sapphire with anti-reflective coating
• Crown: Screw-down crown at 3 o’clock
• Dial: Cold grey with raised central Lacrima motif and raised chapter ring painted with Super-LumiNova®
• Hands: Black Isotope hands filled with Super-LumiNova®
• Water resistance: 300m / 30 ATM / 1,000 ft
• Strap: 22/20mm quick-release grey FKM with Isotope-branded bead-blasted stainless steel buckle
• Bracelet: 22/18mm quick-release Hydrium bracelet in bead-blasted stainless steel, with solid screw-fixed links and bead-blasted diver’s clasp with micro-adjustment
• Price: RRP £1,300.00
Swiss Landeron Mechanical Movement
• Automatic, self-winding
• Power reserve 40 hours
• 25 Jewels, 28800A/h
• Accuracy -12/+12 s/day
• Customised finishing with blued screws, Perlage and Côtes de Genève
For more information please visit Isotope