The Heuer reference 2446C is particularly special within the development of the Autavia line for its limited production (1968-1971), transitional dial and case configuration. The reference was aptly named for its updated case developed by E. Piquerez SA. The C applied to the reference 2446C, represents the compressor design back which allowed the case back to tighten as the watch is subjected to water pressure. A rubber gasket is fitted within a narrow stainless steel channel for water sealing.
The Autavia chronograph is equipped with a Valjoux 72 movement, one of the most celebrated manual-winding chronograph movements to date. Identical to the movements of Rolex Daytona models of the 1960s, it is no surprise that the Heuer Autavia has gained significant interest in recent years.
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