Rolex Open Clasp Gmt Master Ii

DIY: How to Tighten the Clasp on a Watch Bracelet (Rolex and other brands)

Rolex Clasp How To Tighten

If the clasp on your watch isn’t staying closed, there may be a quick fix that you can do on your own. Don’t feel disappointed that your clasp is broken, chances are that it’s not broken at all and simply needs bent back into shape!

Almost every type of fold over clasp has a possibility of losing the tension needed to keep it locked shut. Typically, there will be two metal parts connected by a hinge. These two parts fold open to expand the opening of the bracelet to fit over your hand, and fold back together via the hinge to bring the size of the bracelet back down to the size of your wrist. It’s a simple concept, but also quite brilliant when you think about it!

When examining your clasp, you will notice that the two parts are curved in order to rest comfortably against the bottom of your wrist. The issue here is that the degree of curvature is also what can increase or decrease the tension needed to keep the clasp locked. If one side is flattened, even by a small degree, then it may not be able to reach the locking mechanism. Similarly, if the two sides are bent too much, from wearing the bracelet too tight or by unintentionally bending them during installation, then the locking mechanism will not have enough tension to stay closed.

Glashutte Original Clasp

Many dive watches with a fold over clasp also have a flip lock for extra protection (Rolex Submariner or Sea-Dweller for example), while others only have a spring loaded push button system to lock it in place (Omega Seamaster or Glashutte Sport Evolution Chronograph). Regardless of your watch or the type of lock system, it might not be staying shut if the hinged parts are too flat or too curved.

The good news is that this is common. The even better news is that you can most likely fix it yourself by carefully making adjustments.

From the Rolex manual:

“Should the clasp not lock tightly enough, simply reshape the blade which fits inside & against the clasp cover. To achieve this, bend the blade slightly to fit the curve of your wrist. Never adjust the second blade, which is directly attached to the bracelet.” -Your Rolex Oyster

This kind of thing is better explained visually, so here is a fantastic YouTube video to shows exactly how to do it:

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Sylwia
Sylwia
1 year ago

Thank you! Helped me 🙂

Pijus
Pijus
1 year ago

It helped me, thank you!!

Anonymous
Anonymous
1 year ago

Thank you very much. Helped me too

Douglas E Sabo
Douglas E Sabo
11 months ago

YAY, thanks for putting this video together, that was way easier then what i was expecting to have to do with the little ends!

Fraser Delaney
Fraser Delaney
8 months ago

Hi, Do you have a recommendation for a vintage omega clasp. It’s a different set up and so I don’t want to start bending parts willy nilly.

Keitb
Keitb
8 months ago

Hi I literally just stept onto my Armani watch was closing fine before Only one side is really tight to close it but the other side is fine what would your advice be?

Brooklyn Smith
Brooklyn Smith
4 months ago

Could you help troubleshoot Rolex presidential clasp that doesnt close tightly?

Rachel Finan
Rachel Finan
22 days ago

Thank you!! Xx

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