Quote:
Originally Posted by jyl
You guessed it!
Vintage Seiko Automatic Chronograph with Pulsometer internal bezel (for measuring pulse) rotated by turning the crown.
A favorite of doctors back in the day.
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Pfft! everyone knows the tachometer watches are the bees knees
I bought (what I thought at the time) was my ultimate watch, a Citizen eco-drive night hawk slide rule... super cool looking... but the face was so busy I couldn't read the dang thing! Ended up selling it
