Description: Rotonde de Cartier Pre-owned Rotonde de Cartier ref W1556369 is Cartier doing a classic round watch, but in its own way. The Rotonde collection is where the brand steps away from the square Santos and Tank and embraces traditional watchmaking, often with more mechanical focus and a cleaner, more balanced layout. This one has a 40mm steel case with a simple, well-proportioned profile that wears easily. The beaded crown with a blue cabochon is a signature Cartier