7978

<Measuring the elapsed time>

Align the qmark (Kmark for this model) on the slide rule bezel with the minute hand.
After a certain time has elapsed, you can estimate how much time has elapsed by using
the slide rule bezel as a guideline.
Elapsed time: This indicates 10 minutes have elapsed since 9:10.
The following measurements and
calculations are possible depending on the
model.
Model 1: Measurement of elapsed time,
remaining time
Model 2: Navigation calculations, general
calculations
* Depending on the model, some
additional features may not be available.

Model 1

<Operation method>

Turning the crown at the 8:00 position
causes the slide rule bezel surrounding the watch face to rotate.
Using the Slide Rule Bezel
Crown for
turning the
outer scale