Rubber Strap – O II Line Series | Compatible with 21mm Watches
Rubber Strap – O II Line Series | Compatible with 21mm Watches
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Enhance your timepiece with the Wellstraps premium rubber strap from the O II Line Series. Crafted from durable, hypoallergenic rubber, it ensures lasting comfort and style. Available in multiple colors to suit any look or occasion.
Compatible with:
- Rolex Oyster Perpetual 41mm (Lug width: 21mm)
- Reference numbers: 124300 and others in the same lug size
The Wellstraps Excellence Service (included)
- Lifetime Warranty
- Easy Returns
- Worldwide Shipping
Details:
- Material: Premium Rubber (allergy-free)
- Size: 125mm + 75mm
- Lug Width: 21mm
- Buckle Type: Pin Buckle
Package includes:
- The Strap with the chosen Buckle
- Spring Bars (watch pins)
Add the matching Installation Tool for easy installation.
Wellstraps is not affiliated with Rolex.
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.