The IWC GST Rattrapante Chronograph IW371513 is a distinguished example of early 2000s IWC craftsmanship, presenting a rare salmon dial that elevates the sporty GST collection. Powered by the robust automatic Valjoux 7750-based Caliber 79230, this model delivers a split‑seconds chronograph, day and date display, and a 44‑hour power reserve—features that underscore its technical pedigree. With a substantial 42.9 mm stainless steel case and a 17 mm thickness, it commands presence while remaining true to the GST ethos of rugged elegance. Launched within the GST line, it embodies IWC’s pursuit of functional sophistication, blending an integrated steel bracelet with a screw‑down crown and sapphire crystal for 120 m of water resistance. The salmon dial, luminous hands, and applied markers create a refined contrast that appeals to seasoned collectors seeking both rarity and wearability. Its split‑second complication, activated via the 10 o’clock pusher, marks it as a horological standout—particularly in steel. For collectors, the IW371513 represents both a technical marvel and a stylistic statement, combining IWC’s engineering excellence with a distinctive aesthetic rarely seen in modern chronographs. Like New with IWC travel pouch.