OMEGA SEAMASTER CHRONOGRAPH 105.005 'CAL.321'
OMEGA SEAMASTER CHRONOGRAPH 105.005 'CAL.321'
OMEGA SEAMASTER CHRONOGRAPH 105.005 'CAL.321'
OMEGA SEAMASTER CHRONOGRAPH 105.005 'CAL.321'
OMEGA SEAMASTER CHRONOGRAPH 105.005 'CAL.321'

OMEGA SEAMASTER CHRONOGRAPH 105.005 'CAL.321'

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THE ESSENTIALS

MAKE: OMEGA
MODEL: 105.005-65
YEAR: 1966
CASE DIAMETER: 35mm
CASE MATERIAL: STAINLESS STEEL
BRACELET MATERIAL: STAINLESS STEEL
MOVEMENT: MANUAL WIND

In vintage Speedmaster collecting, it is common knowledge that early models featuring the Calibre 321 are particularly desirable, with a price tag to match. However, Omega did not exclusively use this movement in Speedmaster’s, the Seamaster chronograph line of the era was also powered by the Cal. 321 and remains somewhat of a hidden gem six decades later.

The present example, reference 105.005, dates to 1966 and features a beautifully proportioned 35 mm case and a silver tachymeter dial that has developed a gentle, warm patina over the past 60 years.

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