Brand: Cartier Model: Rotonde de Cartier Réserve de Marche Reference: W1556203 Movement: Hand-wound Case: Rose gold, sapphire crystal Strap: Black alligator Dial: Silver Dimensions: 42 mm (vertical) x 42 mm (horizontal), thickness 10.5 mm, lug-to-lug width 23 mm, wrist circumference 19 cm Additional information: Luminova, date display, small seconds, power reserve indicator and transparent case back Accessories: Manufacturer’s box, booklet, warranty (2026), strap attachment