Built under the classification rules of the Indian Register of Shipping (IRS), Nistar represents a significant technical and operational achievement.

To the best of our knowledge this is the first long-term real-time deep-sea UWOC link with bitrate as high as 125 Mb/s. Between two nodes of 30 m distance and at a depth of 1650 m, two-way Ethernet ...

Not literally, of course. But the legendary watch owes its popularity—if not its underwater cred—to everyone's favorite spy.