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Soft, durable, comfortable and hypoallergenic straps that are possibly the best dive straps you'll ever buy!
In the sixties the first manufacturer of rubber straps was created, but they were rather plastic and broke, they were not very skin friendly either. That's when ISOfrane came along and considered using a rubber compound that is used in the automotive industry to make tires. Tyres are always exposed to heat, rain, ice and all kinds of chemicals on a daily basis and don't suffer as much as the rubber belts of the time from climate change.
So it was obvious that this was the way to go, and it was then that ISOfrane was born. Using a rubber compound similar to that found in car tyres to create the most durable waterproof watch strap ever.
But quality material wasn't all ISOfrane had to offer. The manufacturer ISOfrane worked on the design of the straps and made "ventilation windows" in the straps which made wearing extra comfortable as the strap did not stick to the skin. The combination of durability, wearing comfort and softness has created the world's best dive watch strap.
In 2010, Synchron brought the world's most famous rubber dive watch strap back to life and since then, ISOfrane has become shorthand for quality, durability and wearing comfort.
The strap comes complete with a thorn buckle (your choice) and loops. To order a replacement buckle or loops, look for ISOfrane® replacement parts.
A modern diving strap with the look and feel of the original ISOfrane straps from the 1960's - the ISOfrane 1968 strap.
Several buckle types are available, some of which are only available for select belt widths:
The RS all-steel brushed buckle is reminiscent of the original buckle on all isofran straps from the 1960s, made of solid stainless steel, the buckle design has an added safety feature that holds the strap in place even when the strap is released.
RS buckle IN buckle RS DLC buckle



| Strap material | Rubber |
Buckle ![]() |
Tang Buckle |
| Strap Width | 20 mm, 22 mm, 24 mm |
| Strap color | Black |
Quick release system ![]() |
no |
We guarantee the accuracy of the data. Did you find a mistake? Let us know and get 200 CZK on Watch purchase.
Guarantor: Kateřina Žváček
Jiří Štencek
+420 252 252 306
Mo-Th 9-19
Fr-Sa 9-16
info@helveti.eu
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1 → We check, clean and set
We will check the functionality, set time, date and clean the watch carefully.
2 → We will carefully pack the watch
So that the watch does not have a chance to be damaged. We use special vacuum pads.
3 → We insure the watch against damage from the carrier
To be sure, we will insure the watch against breakage, so there is nothing to fear.