Recently serviced, this Omega Speedmaster Reference 145.022-78ST is a quintessential vintage chronograph that embodies the legacy of the Moonwatch. Produced in the late 1970s, this model features the classic 42mm stainless steel case with twisted lugs, a black stepped dial with tritium lume that has aged beautifully, and the iconic tachymeter bezel. Powered by the legendary Caliber 861 manual-wind movement, this Speedmaster continues Omega’s heritage of precision and durability. This example is presented on a strap, enhancing its vintage appeal and wearability. A true collector’s piece, the 145.022-78ST represents the enduring charm of the Speedmaster lineage.