Designed for sports watch enthusiasts seeking an accessory that is both robust, comfortable and elegant, the KronoKeeper “Jules” strap combines cutting-edge engineering with bold aesthetics. Made from FKM rubber (fluoroelastomer), a high-performance material widely used in the aerospace and nautical industries, this watch strap combines extreme resistance with remarkable flexibility.

An exceptional material for optimal durability

FKM rubber is renowned for its exceptional resistance to hostile environments. Waterproof, non-porous and impervious to chemicals, temperature variations and humidity, this material guarantees maximum longevity. Unlike conventional rubbers, it does not attract dust and maintains its flexibility even in extreme conditions. This choice of material makes the Jules model a strap perfectly suited to outdoor sports activities as well as intensive daily use.

Optimized comfort and breathability

The underside of the strap is intelligently designed with specific molded channels to allow better ventilation. This design promotes air circulation and moisture evacuation, reducing discomfort related to perspiration while improving comfort over long periods. The exterior of the strap features a refined texture, which adds both style and better grip when handling your watch.

Sporty style and bold colors

The Jules strap displays a dynamic color duo: a vibrant red subtly enhanced with navy blue that gives this accessory a distinctive personality. This color contrast accentuates the sporty spirit of the model while adding a touch of modernity to your timepiece. Whether you’re in the middle of a diving session or on an urban outing, this strap will perfectly showcase your watch.

Two sizes for ideal fit

• 20/18 mm – Length: 120/80 mm
• 22/20 mm – Length: 120/80 mm

Available in two widths with a universal length, the KronoKeeper Jules strap easily fits most watch cases. Its robust clasp ensures reliable and secure hold on the wrist.

Combining technical innovation and bold design, this rubber watch strap is a true premium accessory that will enhance your sports watch with style and efficiency.