The Omega Speedmaster 3520.50 is a multifunctional chronograph that combines classic Speedmaster DNA with practical complications and a versatile 39mm case size. Known among collectors as the “Speedmaster Triple Date” or “Speedmaster Day-Date,” this model is a standout in the Speedmaster line for its combination of sportiness and utility.
The black dial is richly detailed with three sub-dials displaying the chronograph functions, day-date, and 24-hour time, along with a central pointer date hand and tachymeter bezel — all designed for maximum legibility and functionality. Luminous hands and hour markers ensure visibility in low light, while the layout remains balanced and highly readable.
Housed in a stainless steel 39mm case, the watch is powered by the Omega Caliber 1151 automatic movement (based on the Valjoux 7751), offering reliable timekeeping, chronograph capability, and a power reserve of approximately 44 hours.
This used piece is in well-maintained condition, showing minimal signs of wear, and includes the original Omega stainless steel bracelet, offering a secure and timeless look.
Functional, collectible, and true to the Speedmaster’s spirit, the Omega 3520.50 is an excellent choice for those seeking a sophisticated chronograph with everyday practicality and rich horological pedigree.
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