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Hydrium "The Orange One"

Sale price£1,080.00

Tax included only within the UK

Shipping calculated at checkout


Introducing Isotope’s Hydrium BSMH, “The Orange One.” This limited edition is unmistakably Isotope, blending bold design with rugged functionality and distinctive character. Its vibrant orange dial and hands, paired with a tough stainless steel case and a 120-click unidirectional bezel, are made for those who stand out from the crowd, embrace adventure, and dive headfirst into life.

Although it can also be paired with an orange or grey FKM strap, “The Orange One” comes with a handmade, over-engineered Single-Pass OTAN strap, expertly crafted in Liverpool, England, by Z.A. Straps. It’s the perfect companion, whether above or below the waves.

The colour orange had notable popularity in design and fashion during the 1970s. This era saw bold, vibrant colours take centre stage, with orange becoming a hallmark of retro aesthetics in interior design, clothing, and graphic art. The colour was often paired with earth tones like brown, mustard yellow, and avocado green, reflecting the decade's love for striking contrasts and groovy vibes.

In the watch world, orange has also been a favourite colour for dive watches since the 1960s and 1970s. Its high visibility underwater made it a practical choice for professional divers.

With only a few available, “The Orange One” stands out as a true original, bringing colour and dependability to every day. Bold and exciting, just like you are - this is an unmistakable Isotope, where everything feels fresh yet remains true to the brand’s DNA.

The Isotope Hydrium BSMH "The Orange One" is still in stock and ready to ship worldwide.

Technical Specifications
Micro-blasted case, 316L stainless steel
Case diameter 40mm X 48mm (with lugs)
Height 12.9mm (14.9mm with double domed Sapphire Crystal)
Hydrium® screw-down exhibition case back
Uni-directional Stainless Steel bezel with 120 clicks
Anti-reflective crystal sapphire
Screw-down crown at 3 o’clock
Matte Orange dial, with Railroad Track in Black
Isotope "i" Orange hands filled with Super-LumiNova®
Water-resistance 300m / 30 ATM / 1000 ft
22mm Single-Pass Z. A. Strap (Made in England) and a quick-release orange or grey FKM tropical strap (please include a note with your preferred choice)


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

The Orange One
Hydrium "The Orange One" Sale price£1,080.00