Plein Sport Thunderstorm Chrono is a robust chronograph that pairs a gray stainless-steel case with a silicone-rubber strap for versatile wear across sport, office and leisure. Key attributes: Gray | Grau | Stainless steel | Quartz movement | Mineral glass | Water resistant to 5 bar | Chronograph function | Silicone-rubber strap | Gray stainless-steel case | Robust, sporty design | Versatile for sport, office and leisure | Composition & care: Stainless steel | Silicone | Rubber | Mineral glass