chippyfly
786
G-P Gyromatic 39J
My Gyromatic ref: 7317 will change date backwards and forwards by the crown turning through 24 hours at a time either backwards or forwards - tedious but slightly less than some other slow forward-only date changers eg Omega calibre 561. It was 1957-58 I suppose. Easier to wait until close to when the real date arrives.
Best
Clive
Gyromatic Date Setting
By: Thomas_3 : October 23rd, 2017-09:03
I have a G-P Gyromatic from about 1958-1958, I rotate it regularly along with others in my collection. When setting it to the correct date I have to rotate the hour hand a full 24 hours past midnight to advance the date, this gets to be a real pain if the...
G-P Gyromatic 39J
By: chippyfly : October 24th, 2017-03:24
My Gyromatic ref: 7317 will change date backwards and forwards by the crown turning through 24 hours at a time either backwards or forwards - tedious but slightly less than some other slow forward-only date changers eg Omega calibre 561. It was 1957-58 I ...