Cartier, Gold Panther, model: 83083442, diameter 30*30mm Quartz movement series: Santos Galbee (Santos), the world's first pilot's watch born by Cartier in 1904. The picture shows a vintage model (produced in the 1980s and 1990s), with reference models mostly being 2961 / 1566 Material: The main body of the case and strap is made of stainless steel, while the gold-inlaid parts of the bezel and strap are 18K solid gold (not gold-plated). The crown is inlaid with the iconic synthetic blue spinel (Cartier's classic blue crown). Dial features: Cream-colored aged dial with Roman numeral hour markers, date window at 3 o 'clock, blue steel hands (which have oxidized and developed color over time), and exposed screws on the bezel are a signature design of Santos Movement: Available in quartz and automatic mechanical versions. The style shown in the picture is a common quartz model from the middle ages, with a diameter of approximately 29×41mm, a neutral size, suitable for both men and women to wear as a single watch.