A waterproof watch, as the name suggests, refers to a watch that has a waterproof function. Waterproof watches are divided into ordinary waterproof and professional waterproof. A normal waterproof watch can only protect against water splashes, while a professionally waterproof watch can withstand immersion in water at different depths. So what does it mean that the watch is water-resistant to 100 meters?
Waterproof Class 1:
Water resistant up to 30 meters/100 feet or 50 meters/165 feet, it only protects against spills and rain.
Waterproof Class 2:
Water-resistant to 100 meters/330 feet or 200 meters or 660 feet, it protects against splashes and rain and can be worn for diving and swimming.
Waterproof class 3:
Water-resistant to 300 meters/1000 feet, it can be worn for free diving or water sports.