20mm 21mm Curved-End Rubber Watch Strap with Metal Link Adapter & Folding Clasp

A refined sport strap built for precision fit and style. The VivaStraps 20mm/21mm Curved-End Rubber Strap integrates seamlessly with curved-lug timepieces, featuring a metal end-link adapter and a 316L stainless steel folding clasp for both strength and elegance. Made from high-grade silicone, it’s durable, sweat-resistant, and designed for comfort in daily wear or outdoor activity.

Key Features:

• Curved-End Fit – Seamlessly connects to curved-lug watch cases for a refined, integrated look

• Metal Link Adapter Included – Ensures a perfect, flush alignment with the watch case

• Premium Silicone Rubber – Waterproof, flexible, and resistant to sweat and wear

• 316L Stainless Steel Folding Clasp – Secure and easy to operate; available in Silver, Gold, and Rose Gold finishes

• Adjustable Length – Cut-to-fit design with measurement marks (65mm–85mm range) for custom sizing

• Sport & Dive Ready – Ideal for sport, diver, or luxury-style watches requiring 20mm or 21mm curved-end lugs

Specifications:

• Brand: VivaStraps

• Material: Silicone Rubber + 316L Stainless Steel

• Lug Width Options: 20mm / 21mm

• Strap Length: Approx. 60mm + 85mm (before adjustment)

• Clasp Type: Folding Deployment Clasp

• Metal Finish Options: Silver / Rose Gold / Gold

• End Type: Curved-End with Metal Adapter

• Total Length: Approx. 190mm

• Compatibility: Suitable for sport watches with 20mm–21mm curved lugs (Submariner, Daytona, Yacht-Master, Seamaster, etc.)

• Condition: New without tags

Included:

• 1 × Rubber Watch Strap

• 1 × Folding Clasp (color as selected)

• 1 × Curved Metal End-Link Adapter Set

• Spring Bars and Pin Tool

A perfect combination of durability and style — designed for watch enthusiasts who want a clean, integrated fit with premium comfort and multiple clasp finishes to match their timepiece.