(55504) Rolex Oyster Perpetual Milgauss 116400V, stainless steel on a stainless steel Oyster bracelet, automatic Rolex caliber 3131 movement, COSC, black dial with green sapphire crystal, luminous applied hour markers and hands, orange lightning bolt shaped seconds hand, screw down crown, water resistant. Diameter: 40mm, Thickness: 13mm. Like New with Rolex box, papers dated 2011, and service warranty card dated 2023.