OMEGA 3520.53
Speedmaster Day-Date
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The Omega Speedmaster 3520.53, also known as the Speedmaster Day-Date or MK40, is a vintage Speedmaster variant distinguished by its triple calendar complication, displaying the day, date, and month. Housed in a 39mm case, it features a grey dial and is powered by the automatic caliber 3220. It's a classic example of the Speedmaster line expanding into more complicated timepieces.
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