ISOfrane (Swiss) Rubber Sport Dive Watch Straps For Modern & Vintage Watches – 20, 22 & 24mm

Watch strap – Back to Switzerland in the 1960’s

When the makers of the greatest dive watches needed a rubber strap in the 60’s and 70’s, they chose ISOfrane!

Sometimes the simplest design is the best

When our first ISOfrane dive strap debuted in the early 1960’s, it has quite literally changed the shape of diving – or at least the shape of dive straps!  Before, dive watch bands were usually made from rubber.They were sticky, uncomfortable and would often blister and crack when often exposed to the sun salt and cold. These straps were even harder on the divers wearing them. Without ventilation, the skin didn’t breath. The ISOfrane watch band changed all of that.

ISOwhat?

Our original ISOfrane watch bands were manufactured using a compound called isoprene. And just what is isoprene? Isoprene is a, liquid hydrocarbon that is obtained in the processing of petroleum and is used as a raw, chemical material. Isoprene was far more durable, and maintained its looks.

ISOfrane today

2010 marked the return of ISOfrane. We used the best recipe, made it non-allergic, non-toxic and added even more durability and softness to the rubber WITHOUT using silicon (the dust magnet) to bring back the legendary ISOfrane dive watch band, which is possibly the best watch strap you’ll ever buy. Hypoallergenic, with a superior fit and feel – and 100% Silicone free! The modern ISOfrane dive watch bands have been designed to replicate the original ISOfrane straps.  They bear the same attention to detail as the original with the ventilation straps and straight end lug attachments.  The ISOfrane watch band is the perfect addition to any dive watch – vintage or modern.