Features Limited Edition 2012 pieces
3 time zones, date at 4 h
Slide-rule function with flange adjustable by crown
at pos. 2 h, 20 simple calculations possible
e.g. division, multiplication, multiple conversions
Speed per hour, fuel consumption, height calculations
Distance during ascent / descent
Conversion table C° (Celsius) into F° (Fahrenheit)
engraved on the case back.
![[Fortis] GMT Calculator - Busiest dial on a watch ever?](https://lemmy.world/pictrs/image/791f5921-8b78-4d60-8a85-6cb60bee1a54.jpeg){kind=link}
I understand the slide rule bezel markings, but have no idea what the other numbers are for.
Features Limited Edition 2012 pieces 3 time zones, date at 4 h Slide-rule function with flange adjustable by crown at pos. 2 h, 20 simple calculations possible e.g. division, multiplication, multiple conversions Speed per hour, fuel consumption, height calculations Distance during ascent / descent Conversion table C° (Celsius) into F° (Fahrenheit) engraved on the case back.