Seiko tested its Professionnal Diver’s1000m watch at the bottom of the ocean.
The Professional Diver's 1000m was recently subjected to the most extreme test imaginable. Affixed to the exterior hull of ‘KAIKO 7000 II', a remotely operated undersea research vehicle, both mechanical and quartz versions of the Professional Diver's 1000m were taken down to the ocean's depths. All the watches functioned perfectly down to a depth of 3,000m.
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