Genuine Depth Rating

Pressure at depth is a different demand from a splash at a kitchen sink.

Screw-Down Crown Seal

An unsecured crown is the most common way water gets inside a case.

Rotating Timing Bezel

Tracking elapsed minutes underwater has to work without pressing anything.

Strong Luminous Markers

Light fades fast under water and in a late evening training session.

Strap Fits Over a Sleeve

Extension or a longer strap is the difference between wearable and not.