Not only does this Oris dive watch let you reach 500 feet, it tells you your depth. Using the principle of Boyle’s Law for pressure and volume, the watch allows a small amount of water to enter through a hole near 12 o’clock, showing the depth in meters on the bezel. At 46 mm in diameter, it’s the largest watch here, but not especially big for a professional dive model.
Diameter: 46 mm
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