New Delhi, Dec. 3 -- Smartwatches today promise to stay on your wrist through workouts, commutes and busy days, so water protection becomes a key part of choosing the right model. A water-resistant smartwatch should cope with everyday splashes, sweaty workouts and unexpected rain, but not every watch is designed for regular swimming or deep-water use. The wording on the box often looks confusing, and the labels can feel similar, yet the difference between terms like water resistant, waterproof and swim proof is more than just marketing language. It directly affects how safely you can use your watch in real situations.

Many people assume that a watch with any form of water protection can handle dips in the pool or long showers, only to fi...