Today we have a 1970 Seiko 6139 chronograph on the bench, the legendary caliber that might very well have been the first automatic chronograph. It is in need of some TLC although the owner wants to keep the case and bracelet as is given that it was his father's watch.
Join Stian for a full service of this watch complete with a comparison of this caliber to the Zenith El Primero and the Chrono-Matic caliber 11! As always we'll take a few detours and there will be a certain level of grumpiness :)
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2 окт 2024
