What is the purpose of a dive watch

Dive watches are specialized timepieces designed primarily for underwater diving. They serve several essential purposes:

1. Water Resistance: The primary function is to resist water at significant depths. Dive watches undergo rigorous testing to ensure they can withstand water pressure encountered during diving.

2. Legibility: These watches often feature high-contrast, luminous markers and hands for easy reading underwater, where visibility might be limited.

3. Bezel for Tracking Dive Time: Dive watches have a unidirectional rotating bezel, typically marked in minutes. Divers use this to track elapsed time underwater accurately, preventing them from exceeding safe dive limits.

4. Durability: They're built to withstand harsh conditions, including saltwater, corrosion, and physical impact, to ensure reliability in demanding environments.

5. Reliability Under Pressure: They're equipped with features such as screw-down crowns and case backs to prevent water infiltration.

6. Safety: Dive watches are often part of a diver's life support system, serving as a backup to dive computers, providing a reliable means of tracking time underwater.

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Even though many people wear dive watches as a fashion statement or for their robust build, their core purpose remains facilitating safe and accurate timekeeping during dives.