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Glossary

Glidelock

A plain-language definition of Glidelock — what it is and why it matters on a Rolex.

Glidelock is Rolex's toolless bracelet-extension system, built into the clasp of its dive watches. It lets the wearer lengthen or shorten the bracelet in small increments — about 2 mm at a time, up to roughly 20 mm — to fit over a wetsuit or adjust for a swollen wrist, without any tools.

Fine adjustment, no tools

Introduced on the Deepsea and Sea-Dweller and later fitted to the Submariner, the Glidelock system uses a sliding mechanism under the clasp cover with toothed positions. You lift, slide, and click to resize — useful both for a dive over a wetsuit and for everyday comfort as a wrist changes size through the day.

It complements the Oysterlock safety clasp (which prevents accidental opening) and, on deep-divers, the spring-loaded Fliplock extension for thick suits.

Glidelock FAQ

Glidelock, answered.

What is the Rolex Glidelock clasp?

Glidelock is a toolless extension system in the clasp of Rolex dive watches. It resizes the bracelet in roughly 2 mm steps, up to about 20 mm, to fit over a wetsuit or a changing wrist.

Which Rolex models have Glidelock?

It appears on dive models — the Submariner, Sea-Dweller, and Deepsea — as part of their Oysterlock clasps.