Cartier · Ronde de Cartier
Strap for Cartier Ronde de Cartier 40MM-WSRN0032
The Cartier Ronde de Cartier 40MM-WSRN0032 takes 21 mm straps. Verified lug width, the straps that fit this model, and answers to the most common questions.
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Lug width

Straps for the Ronde de Cartier 40MM-WSRN0032
Selected for the 21 mm lug width
What length do I need?
Measure your wrist with a tailor's tape or a piece of string, comfortably snug.
| Wrist circumference | Length (long side / short side) |
|---|---|
| 15.0–16.4 cm | 120 / 70 mm |
| 16.5–17.8 cm | 125 / 75 mm |
| 17.9–19.0 cm | 130 / 80 mm |
| 19.1–20.3 cm | 135 / 85 mm |
| 20.4–21.6 cm | 140 / 85 mm |
| 21.7–22.9 cm | 145 / 90 mm |
The ready-to-wear strap is 115 × 75 mm. For a smaller or larger wrist I make it in the right length: order your length.
What I'm asked about the Cartier Ronde de Cartier 40MM-WSRN0032
What strap size does the Cartier Ronde de Cartier 40MM-WSRN0032 take?
The Cartier Ronde de Cartier 40MM-WSRN0032 needs 21 mm between the lugs, usually 18 mm at the buckle. It's the size I've been fitting on it for years.
Can the strap on the Cartier Ronde de Cartier 40MM-WSRN0032 be changed?
Yes. It has spring bars between the lugs: with the right tool the strap comes off in a minute. If you'd rather not risk a scratch, I do it in the workshop.
Can I put a leather strap on the Cartier Ronde de Cartier 40MM-WSRN0032?
Yes, in 21 mm leather. On a dress watch alligator is the natural choice: thin, elegant, what it was born for.
Which strap do you recommend for the Cartier Ronde de Cartier 40MM-WSRN0032?
A thin 21 mm alligator. You'll find it ready in the 21 mm collection. If you'd rather have something built on your wrist, the Casati atelier.
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More Cartier in 21 mm
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For changing the strap
The next step
The right strap isn't chosen. It is built, together.
From the atelier appointment to delivery, every step is made for those who know that things done well take time. Rare leathers, one piece at a time, eighteen months of warranty.
Request an appointment →Casati Milano · Via XX Settembre 15, Milan · by appointment only
The atelier's website: casatimilano.com






