Citizen E610 Instruction Manual page 91

[How to convert distance between the different units of measurement]
You can convert between Kilometers, Nautical Miles and Statute miles.
Q : How many Kilometers and Nautical Miles are equivalent to 1 Statute Mile ?
A : Adjust the "  " of 10 of the outer scale until it points to the "  " of STAT of the
inner scale.
Result: Read 16 of the scale corresponding to the "  " of KM of the inner scale.
Move the decimal point once, and you will get the answer which is 1.6km.
Similarly, you can get the answer 86.6 NAUT corresponding to the "  " of NAUT.
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