The Cartier Santos 100 is one of the most recognizable square watches in Cartier’s history. Introduced for the 100th anniversary of the original Santos, the Santos 100 brought a larger, more substantial case design to the collection and became particularly popular among collectors who prefer a bold wrist presence.
Today, finding the right Cartier Santos 100 replacement strap can be confusing because the Santos 100 was produced in several sizes and references. The strap width is not the same across every model, and the Santos 100 also uses a different attachment design from the modern Santos de Cartier with QuickSwitch.
Whether you are looking for a Cartier Santos 100 leather strap, rubber strap, metal bracelet, nylon strap or Velcro watch band, the first step is to identify your exact model and lug size.
Explore more replacement strap guide for Cartier

Cartier Santos 100 Watch Lug Sizes
One of the most important things to check before buying a replacement strap is the lug-end width.
Common Santos 100 configurations include:
| Santos 100 Model | Common Lug Width | Example Reference |
|---|---|---|
| Midsize / Medium | 20 mm |
|
| Large / XL | 23 mm |
|
| XL Chronograph | 24 mm |
|

Different Connector Type Between Cartier Santos 100 vs. Modern Santos de Cartier
The Santos 100 belongs to an earlier generation of the Santos design. Modern Santos de Cartier models introduced Cartier’s QuickSwitch strap-changing system, while the Santos 100 uses a different case and strap attachment arrangement.


Cartier Santos 100 Strap Attachment & Compatibility

Different connector of custom strap for cartier santos 100


Cartier Santos 100 watch buckle


Best Replacement Strap Styles for Cartier Santos 100
1. Custom Alligator Leather Strap For Cartier Santos 100
Rated 0 out of 5$201.00Select options This product has multiple variants. The options may be chosen on the product page






2.Custom Nylon Watch Band Replacement For Cartier Santos 100


Rated 0 out of 5$159.00Select options This product has multiple variants. The options may be chosen on the product page
3.Replacement Rubber Strap For Cartier Santos 100 XL Chronograph
Rubber strap can change the personality of the Santos 100 XL Chronograph considerably.


Rated 0 out of 5$42.00 – $81.00Price range: $42.00 through $81.00Select options This product has multiple variants. The options may be chosen on the product page
4.PVC Rubber Canvas-Pattern Velcro Strap For Cartier Santos 100
- Compatibility: Designed to fit Cartier Santos 100 models (Medium, Large, and XL Chronograph)
- Materials: High-density water-resistant canvas or PVC rubber with a waterproof calf leather lining and ventilation holes for comfort
- Design: Adjustable hook-and-loop Velcro fasteners that offer easy on-and-off wear
- Customization: Most makers allow custom sizing based on exact wrist measurements, along with a choice of canvas colors and stitching


Rated 0 out of 5$269.00Select options This product has multiple variants. The options may be chosen on the product page
How to Change Your Cartier Santos 100 Strap
FAQ
Q:Can I keep my original Cartier buckle?
A:Can be made to work with a compatible original Cartier buckle or deployant clasp. Confirm the buckle-end dimensions before ordering.
Q:Do you make custom straps for Cartier Santos 100?
A:Yes. Custom straps can be made in different materials, colors and lengths. If your reference is not listed in our size guide, send us the model number and photos of the original strap connection for compatibility checking.

