The Audemars Piguet Royal Oak Offshore 26400SO.OO.A057CA.01 was introduced in 2021. It features a stainless steel case with blue ceramic bezel, push pieces and crown. The dial is blue with yellow highlights, and it is fitted with arubber strap with the top half in yellow and the bottom half in blue. Materials: Ceramic, Stainless Steel Glass: Sapphire Back: Open Shape: Other Diameter: 44.00 mm Height: 14.13 mm W/R: 100.00 m Color: Blue Indexes: Stick / Dot Hands: Stick