Hello, i have for sale this Casio BM-600, one of the firsts Casio barometers from mid 80's.
Watch is in mint condition except for the strap, is not the original but i think that fits very well with the case, original strap is no longer manufactured.
Revised recently, batteries has been changed, all functions works properly, barometer, altimeter, crono, alarm, hour signal etc..........
Case and crystal has no marks.
I can send pdf file with the instructions.
Price: 155 USD + paypal fees, registered ship with track number, i ship worldwide.