Rubber Strap – Line Series | Compatible with 19mm & 20mm Watches
Rubber Strap – Line Series | Compatible with 19mm & 20mm Watches
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Upgrade your Zenith Chronomaster with our premium black rubber strap, available with red, white, blue, or green line, crafted for 19mm & 20mm models.
The bold dual-color design delivers a distinctive and modern look while maintaining timeless style. Crafted from hypoallergenic rubber, this strap ensures flexibility, durability, and all-day comfort. Perfect for refreshing your timepiece or replacing a worn band.
Compatible with:
19mm lug width: Chronomaster Original, Chronomaster Revival Series
20mm lug width: Chronomaster Sport, Chronomaster Open, Chronomaster Triple Calendar
Available Line Colors:
- Black with Red Line
- Black with White Line
- Black with Blue Line
- Black with Green Line
The Wellstraps Excellence Service (included)
- Lifetime Warranty
- Easy Returns
- Worldwide Shipping
Details:
- Material: Premium Dual-Color Rubber (allergy free)
- Length: 120mm + 80mm
- Width: 19mm or 20mm (select according to your watch model)
- Colors: Red, White, Blue, or Green line on black rubber
Package includes:
- One Rubber Strap with the selected buckle
- Optional installation tool
Wellstraps is not affiliated with Zenith. Note: The watch strap is for sale, not the watch.




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Care Tips
Keep leather straps dry and conditioned using high-quality leather conditioners. Avoid prolonged exposure to water, sweat, direct sunlight, and extreme heat. Rinse rubber straps with fresh water after contact with saltwater or sweat, then dry gently. Air-dry nylon straps away from direct sunlight to maintain their durability.
Measure Lug Width
Use a caliper or ruler to measure the inner distance between your watch’s lugs in millimeters for an exact fit. Accurate measurement helps avoid ordering the wrong size.
Attach & Remove
Gently compress the spring bar with a proper tool to install or remove the strap without scratching your watch. For easiest installation, we recommend using our precision spring-bar tool (available separately).
Water & Sweat Exposure
Rubber and nylon straps are water-friendly—rinse and pat dry after exposure to moisture. Leather straps should avoid prolonged contact with water to prevent damage.
Tool Recommendations
For the easiest installation and removal, we recommend our precision spring-bar tool, sold separately — see Tools collection.
Warranty & Service
All straps come with a Lifetime Warranty against manufacturing defects.
This warranty does not cover damage caused by improper use, accidents, or normal wear and tear.
For assistance, email contact@wellstraps.com.