The Clasp That Changed Everything
The Rolex Glidelock is the single best clasp system in the watch industry — and it’s exclusive to the Submariner, Sea-Dweller, and Deepsea. Here’s how it works, why it matters, and why no competitor has matched it in 16 years.
How Glidelock Works
Inside the Oysterclasp, a rack-and-pin mechanism allows the bracelet to extend or contract in 2mm increments over a 20mm total range — all without removing any links, using any tools, or even taking the bracelet off your wrist.
- Open the clasp
- Lift the Glidelock plate (a small steel flap inside the clasp)
- Slide the bracelet to the desired position along the rack (10 possible positions, 2mm apart)
- Press the Glidelock plate back down — it locks into the rack teeth
- Close the clasp
Total adjustment time: under 10 seconds. Total range: 20mm (almost an inch).
Why It Matters
- Temperature: Wrists swell in heat and shrink in cold. Glidelock lets you adjust in seconds without tools.
- Wetsuit: The original purpose — extend the bracelet 10-20mm to fit over neoprene. Retract for bare-wrist wear. All at the clasp, no links involved.
- Comfort: A perfectly-sized bracelet transforms wearing comfort. With Glidelock, “perfectly sized” is available in 10 incremental positions — not just the 5-6 positions link removal provides.
Why No Competitor Matches It
The Glidelock mechanism is patented by Rolex. Competitors offer inferior alternatives: Omega’s rack-and-pin (smaller range, different mechanism), Tudor’s T-fit spring bar (adjustable but less precise), or simple fold-over clasps (no adjustment at all). Rolex’s 20mm range with 10 discrete positions remains unmatched 16 years after introduction.
Our Submariner superclones at DR.WATCH include Glidelock-style micro-adjustment clasps matching the authentic mechanism. Free worldwide shipping + 1-year warranty.
