ISOfrane® Strap

Engineered for saturation divers and built to endure the harshest underwater environments, the ISOfrane® Watch Strap is the gold standard in professional dive watch bands. Originally introduced in the 1960s and revived with modern materials and manufacturing, the ISOfrane® strap pairs perfectly with tool watches from any of your favorite brand.

• Material: Premium-grade vulcanized isoprene rubber – non-toxic, hypoallergenic, and resistant to UV rays, saltwater, chemicals, and extreme temperatures. Does not attract dust or lint.
• Design: Vented design with signature ladder-style perforations for superior breathability and water drainage during dives.
  Dimensions:
• Standard Length: 130mm (long end) / 85mm (short end)
• Lug Widths: Available in 20mm, 22mm, and 24mm
• Thickness: Tapers from approx. 4.5mm to 2.5mm for optimized flexibility and strength
• Buckle: Brushed stainless steel or DLC-coated buckle, screw-in style with engraved ISOfrane logo
• Included Hardware: High-quality spring bars and keeper loops

The ISOfrane® strap is not just a replacement band—it's a piece of dive watch history, reborn. With its unique blend of heritage, rugged functionality, and ergonomic design, the ISOfrane® continues to be the top choice for demanding underwater professionals and collectors alike.