Hydrium® Pro Nordblad


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Limited Edition Hydrium® Pro Nordblad

The Hydrium Pro Nordblad Limited Edition is a tribute to the remarkable achievements of Johanna Nordblad, a true champion and world-renowned ice diver. Her inspiring story of resilience and bravery has left an indelible mark on the Isotope team, and we are honoured to welcome her aboard for the second time.

The new Isotope Hydrium® Pro is limited to 100 pieces and it's the first of a series of Hrydrium® PRO watches, exceeding specifications above ISO 6425, the official certification to be considered a Divers watch. The watch case is made of sandblasted 316L stainless steel. The crystals, including the bezel, are made of Sapphire Crystal and the movement is a top-finished and regulated  Swiss Landeron. This specific version was designed in the United Kingdom and Finland, in collaboration with Johanna Nordblad and expertly assembled in Switzerland.

Johanna's journey began in 1997 when she first tried scuba diving. Although she enjoyed it, she quickly fell in love with freediving after joining the first freediving club in Finland in 2000. She went on to compete in the World Championships that same year.

In 2004, Johanna broke a world record in Dynamic Apnea, and her passion for freediving only grew from there. However, in 2010, Johanna suffered a severe leg injury that required a fasciotomy and left her using crutches for almost a year. The nerve pain she experienced was so intense that she woke up almost every night for three years.

It was during this difficult time that Johanna discovered the healing powers of cold water. At first, the cold was painful, but eventually, she found that it was the only place where she could find relief from her leg pain. She also discovered that the feeling of cold water was similar to the relaxation she experienced while freediving.

As a result, Johanna became fascinated with the idea of combining cold water and freediving. She began practising in the most extreme conditions she could imagine, including under ice. In 2015, Johanna broke the Women’s World Record by diving under ice wearing only a swimming suit. She swam an impressive fifty meters from one hole in the ice to another.

In March 2021, Johanna accomplished the incredible feat of becoming the first human to swim 103 meters under the ice without fins and while wearing only a swimsuit. Her time of apnea during the dive was an impressive 2 minutes and 42 seconds. While her record has since been beaten by men, Johanna still holds the Women's Record for this remarkable accomplishment.

So impressive was her achievement that Netflix created a Bafta-nominated documentary about the preparations and the day Johanna became the world champion. Titled "Hold Your Breath: The Ice Dive," the documentary takes viewers on a journey through Johanna's training, the physical and mental challenges she faced, and the exhilarating moment she made history. You can watch this incredible documentary on Netflix and be inspired by Johanna's remarkable achievement.

Johanna's dedication to the sport of freediving is unwavering, and her humility is an inspiration to us all. Despite her incredible achievements, she remains eager to learn more about herself and the sport that she loves. Her passion for freediving is contagious and has earned her respect and admiration from fellow athletes and fans alike.

It is with great pride that we pay tribute to Johanna's remarkable accomplishments with the Hydrium Pro Nordblad Limited Edition. This exclusive edition is a testament to her incredible journey and serves as a reminder of what can be achieved through hard work and determination. We are honoured to be associated with such an incredible athlete and look forward to witnessing her future successes in the sport of freediving.

The Isotope Hydrium® Pro Nordblad is limited to 100 pieces, and it's now available.

Technical Specifications

  • Swiss Made
  • 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 bezel with 120 clicks 
  • Anti-reflective crystal sapphire
  • Screw-down crown at 3 o’clock
  • Black Matte dial and white bold Arabic numbers filled with Super-LumiNova®
  • Isotope "i" hands filled with Super-LumiNova®
  • Water-resistance 300m / 30 atm / 1000 ft
  • 22mm Quick-release black FKM strap with a micro-blasted Steel Buckle

Swiss Landeron Mechanical Movement

  • Automatic, self-winding
  • Power reserve 40 hours
  • 25 Jewels, 28800A/h
  • Accuracy -12/+12 s/day
  • Customised finishing with Perlage and Côtes de Genève

Ordering from and outside the U.K.

If you’re not based in the U.K. you'll probably need to pay import tax/duty when buying a watch (or any product) from Isotope Watches and other U.K.-based brands

Brexit changed the rules and since the 1st of January 2021, this also includes all countries within the European Community.

Prices within the U.K.

For customers in the U.K., all watches/products are priced including 20% of U.K. VAT.

As an example, if our watch is priced at £1,000, U.K. customers will need to pay £1,200 (£1,000 + £200 (20% VAT)

Prices outside the U.K.

For customers based outside the U.K., all watches/products are priced excluding U.K. VAT.

Your IP address will determine the prices you see on our website, but if for any reason you see prices including U.K. VAT, the prices will be updated at checkout, depending on your shipping address.

Isotope Watches Limited will not charge VAT when exporting, but you will certainly be asked to pay import duty and/or tax/VAT by your customs country.

How to pay for import duty/tax

We ship most of our products/watches via DHL Express. As per customs request, DHL will calculate the duty and taxes and they will collect the payment on behalf of your country's customs.

Neither Isotope Watches Limited nor DHL has control or profit over these costs/taxes.

How much do I need to pay in duty/tax to receive my watch?

It depends on the country you are based in.

Please see the examples below based on a £1,000 watch. These values are only a reference as they vary depending on the watch cost, and they might not be updated.


Within the U.K.

20% tax (GBP 200), is included in the price.

0% duty (GBP 0.00) + 0% DHL's handling fee


European Comunity Countries

Approx. 15%-24% tax (GBP 150 – GBP 240)

0% duty (GBP 0.00) + DHL's handling fee



10% tax (GBP 100)

0% duty (GBP 0.00) + DHL's handling fee



5% tax (GBP 100)

0% duty (GBP 0) + DHL's handling fee



5% tax (GBP 50)

8% duty (GBP 80) + DHL's handling fee



13% Tax (GBP 130)

20% Duty (GBP 200) + DHL's handling fee



10% tax (GBP 100)

5% duty (GBP 50) + DHL's handling fee


South Africa

15% Tax (GBP 150)

0% Duty (GBP 0) + DHL's handling fee


United Arab Emirates

5% tax (GBP 50)

5% duty (GBP 50) + DHL's handling fee


If you have any questions, please don't hesitate to email us: info@isotopewatches.com

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