Ronde Must de Cartier ref WSRN0035 (2023) combines classic Cartier design with modern functionality. This 40mm timepiece features a steel case with a beaded crown set with a synthetic cabochon-shaped spinel, a sandblasted silver dial, and blued-steel sword-shaped hands under a scratch-resistant sapphire crystal. Powered by Cartier’s automatic Caliber 1847 MC, it comes with a steel strap equipped with an interchangeability system for versatile wear. Measuring 9.62mm in thickness and water-resistant to 3 bar (30 meters / 100 feet), this Ronde Must de Cartier balances elegance and practicality.