Style
Dive Watch
Built to be legible and watertight deep underwater.
- Best for
- Everyday wear, water sports, and anyone who wants one rugged do-it-all watch.

Origin
Codified by the 1953 Rolex Submariner and Blancpain Fifty Fathoms, and standardized by ISO 6425.
Hallmarks
The features that put a watch in this family.
- Unidirectional rotating bezel to track elapsed dive time
- 100m+ water resistance (200m+ for true ISO divers)
- Strong luminous markers and hands
- Screw-down crown and often a helium escape valve on saturation divers
Iconic examples
- Rolex Submariner
- Omega Seamaster
- Seiko Prospex 'Turtle'
- Blancpain Fifty Fathoms
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