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Bit of '70s nostalgia today. Seiko 6139-6002 'Pepsi/Pogue'.

Morning...   1974 CERTINA. Cal: 28-10, 17 jewel.

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I never did establish who was behind the Ross brand of watches but they’ve always come with ho hum pin-lever movements from the likes of EB or Baumgartner. I tend to buy the occasional one for our son who quite likes to wear his namesake watch and cares not a jot about what’s inside it.

However, today’s 34mm effort, recently bought as non-running and without any description or images of the movement, is something different. This one turned out to have a 17j Ebosa 41, a calibre missing from all of the four main movement databases.

Some years ago, a post on another watch forum sought information about this movement but sadly went unanswered and whilst I wasn’t aware of Ebosa ever having produced a jewelled lever movement, I am all too aware that every day is a school day.


Ross 17j after 3 v.2.jpg

Ross 17j Ebosa 41 2 v.3.jpg

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