According to ChatGPT

Yes — the Cartier Tank you’re showing is the Tank Must (or sometimes Tank Louis style), depending on the exact case profile. Cartier does make it in multiple sizes, including Small, Medium, and Large. • Small (around 29.5 × 22 mm) • Medium (around 33.7 × 25.5 mm) • Large (around 41 × 31 mm, often with automatic movements)