Full set,Cartier, Cartier series: New 40 London solo steel band (large size) Model: WSRN0035 Diameter: 40mm Material: Stainless steel: Quartz • Movement: Cartier 1847 MC automatic mechanical movement, 23 jewels, power reserve approximately 42 hours, transparent back design • Dial: Silver sandblasted dial, Roman numeral hour markers, blue steel sword-shaped hands, date window at 3 o 'clock; The crown is set with cabochon synthetic spinel The 40mm diameter of the watch is suitable for most men's wrists. The stainless steel strap is durable and easy to maintain, making it suitable for various scenarios such as business formal wear and casual daily life. The style is simple and elegant with high recognition. Compared with the Ballon Bleu series, the RONDE DE CARTIER series has a more understated and reserved design. It does not have the iconic "balloon" case and is more suitable for users who prefer a simple and classic style.