Cartier Ronde de Cartier
Most Cartier Ronde de Cartier references take a 18 mm watch strap: 5 of 10.
Cartier Ronde de Cartier lug width by case size
10 references measured. Updated 2026-10-29.
| Case | Lug width | References | Watch strap attachment | For example |
|---|---|---|---|---|
| 40 mm | 18 mm | 1 | — | W6801005 |
| 42 mm | 18 mm · 23 mm on 1 | 3 | — | WSRN0002, WSRN0003 |
| not recorded | 18 mm · 20 mm on 2 · 21 mm on 2 | 6 | — | 36MM-WSRN0031, 36MM-WSRN0034 |
References that take a different watch strap
- W2RN0005: 23 mm, not the 18 mm of most 42 mm cases
- 36MM-WGRN0012: 20 mm
- 36MM-WJRN0010: 20 mm
- 40MM-WSRN0032: 21 mm
- 40MM-WSRN0035: 21 mm
Every Cartier Ronde de Cartier reference
- Ronde de Cartier 36MM-WGRN001236MM-WGRN0012
20 mm - Ronde de Cartier 36MM-WJRN001036MM-WJRN0010
20 mm - Ronde de Cartier 36MM-WSRN003136MM-WSRN0031
18 mm - Ronde de Cartier 36MM-WSRN003436MM-WSRN0034
18 mm - Ronde de Cartier 40MM-WSRN003240MM-WSRN0032
21 mm - Ronde de Cartier 40MM-WSRN003540MM-WSRN0035
21 mm - Ronde Croisière de Cartier Stainless Steel / Pink Gold /GreyW2RN0005
23 mm - Ronde Louis Cartier Pink Gold / SilverW6801005
18 mm - Ronde Croisière de Cartier Stainless Steel / SilverWSRN0002
18 mm - Ronde Croisière de Cartier Stainless Steel / GreyWSRN0003
18 mm
Other Cartier families
Inside each one the lug width often changes: it is the reference that decides.
- Ballon Blue de Cartier 52
- Tank 45
- Calibre de Cartier 39
- Ballon Bleu 36
- Rotonde de Cartier 34
- Clé de Cartier 30
- Santos-Dumont 26
- Tank Must 19
- Tank Française 15
- Tank Louis Cartier 12
- Drive de Cartier 10
- Panthere 8
All Cartier families → · Why the size changes inside a family →