Seiko Sliderule Calculator Chronograph. A pic of the caseback when inquiring about a Seiko will yield info about the month and year of production.
Though real ones exist, these are also heavily faked, especially examples out of India. For more info:
https://youtu.be/2ueDue3FXOY?si=UE9YKMY2Y4dzDnwp
The video states that those with the following serial number are a common but not the only fake: 6N8446
I found Titoni to be an affordable way to collect a diverse range of vintage Swiss watches from a maker that isn't dead or been revived by a new set of owners.
Something about the unbroken century+ of family management that really speaks to me. Happy hunting!
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