From Longines, the Women's Master Collection Automatic Two Tone Bracelet Watch features: Stainless steel & 18k yellow gold Silver color dial Diamond indexes Automatic movement Dial set with 12 Top Wesselton VS-SI diamonds, for a total of 0.034 carats Triple safety folding clasp and push-piece opening mechanism Transparent case back with sapphire crystal Scratch-resistant sapphire crystal Self-winding mechanical movement beating at 28,800 vibrations per hour, with a power reserve of approx. 45 hours Case size approx. 25.5mm Water-resistant up to 3 bar Swiss made Imported.