IWC GST Chronograph (Ref. IW370703) is a robust and versatile timepiece engineered for performance and everyday wear. Crafted entirely from lightweight titanium, this 40 mm chronograph features a sleek black dial protected by sapphire crystal and is powered by the reliable automatic Caliber 7922. With 10 ATM water resistance and an integrated titanium bracelet, the GST Chronograph perfectly balances durability, precision, and understated tool-watch aesthetics.