TAG Heuer Calibre 5 (Sellita SW200 base)

TAG Heuer's workhorse automatic caliber based on the Sellita SW200, used across the Aquaracer, Carrera, and Formula 1 automatic lines. TAG applies their own regulation and quality standards to the proven SW200 platform. The Calibre 5 designation has become synonymous with TAG Heuer's entry-level mechanical offering, providing Swiss automatic reliability at the brand's most accessible price points.