Ratcheting/extensible clasps

I was reading OceanicTime: ORIS ProDiver GMT and the last image reminded me:

 

ORIS ProDiver GMT 06.jpg
Image credit: OceanicTime

 

That’s a nice clasp. If you look close, it has two side buttons, and when pressed you can lengthen or shorten the strap by about 1cm.

This is a brilliant feature and every strap and bracelet should have it.

Here are the ones I’ve seen, reviewed or coveted:

 

gp-8.jpg
Image credit: ABtW

 

That’s the Girard-Perregaux Sea Hawk II, from my review on ABlogToWatch.com. That was the first time I had ever seen one, as as noted in the review, they’re a damned fine idea.

Rolex introduced their Glidelock (details here) and it’s on several of their models now:

 

inside_Sub_clasp.jpg
Image credit: minus4plus6.com

 

I owned a Tudor Pelagos for a while; it has a superb clasp and adds a spring-tensioned mode; probably the best of any design I’ve used:

02-light-and-resistant.jpg
Image credit: Tudor

That’s not a great picture, here’s a better one found via Pinterest:

 

da9f5fbbf3b25068116a6d486cd56907.jpg.png
Image credit: Unknown/Pinterest

It’s more complicated but works better.

The Seiko Marinemaster SBDX001 I owned had one but I disliked it; too thick, sharp bits that poke the wrist and awkward to use:

 

iur.jpeg
Enter a caption

Omega makes one too, part number 117stz001154, has quite a few fans:

IMG_2792 (1).jpg
Image credit: WatchUSeek

Now, with all of those (and others that I’ve missed, IWC for example), you’d think that buying one would be easy.

Or at least possible. Nope. This is one of the very few that I’ve found:

CLASP20-017B-1.jpg_520x400-1421052400.jpg
Image credit: Strapcode

It’s just OK, compared to the others, and they want $63 for it, more if you want it in PVD black.

Hey watch companies: Please add these to every bracelet you sell! And the dive straps too.

 

 

Posted by

Computer engineer from San Diego. Obsessed with hardware, software, timekeeping and elegance.

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