Breitling Navitimer 01 User Manual Download Page 5

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SPECIAL CHARACTERISTICS

USING THE TACHOMETER

The tachometer is the graduation on the dial or flange of your B

REITLING

chronograph enabling you to determine average speeds or hourly produc-

tivity rate, based on an observation period of less than 60 seconds.

1. Average or mean speed

Using the chronograph to measure the time required to cover a kilometre or

a mile. If it takes 20 seconds to cover 1 km or 1 mile, the scale respectively

indicates an average speed of 180 km/h or 180 miles/h.

2. Hourly productivity rate

Measuring the time required to produce 1 unit. If the chronograph is stopped

at 40 seconds, the tachometric scale indicates 90, corresponding to an hourly

productivity rate of 90 units.

Summary of Contents for Navitimer 01

Page 1: ...NAVITIMER 01...

Page 2: ...Stop Pulsador Start Stop Bot o Start Stop in cio paragem K Poussoir Reset Pushpiece Reset Dr cker Reset Pulsante Reset Pulsador Reset Bot o Reset reposi o K a A B Aiguille des minutes Minute hand Min...

Page 3: ...rict criteria including a daily variation in rate ranging between only 4 6 seconds The term chronometer should not be confused with that of chronograph which is a complicated watch fitted with an addi...

Page 4: ...to add several short times 3 The chronograph is reset to zero by pressing push piece B once the final measurement has been stopped USING THE CHRONOGRAPH I MEASURING A SINGLE SHORT TIME 1 Press pushpie...

Page 5: ...60 seconds 1 Average or mean speed Using the chronograph to measure the time required to cover a kilometre or a mile If it takes 20 seconds to cover 1 km or 1 mile the scale respectively indicates an...

Page 6: ...er resistance gaskets Under the influence of certain external factors such as perspiration cosmetics perfumes or dust these gaskets progressively deteriorate and must be periodically replaced ideally...

Page 7: ...ion expressed in bars must be considered a safety factor protecting your chronometer from dust and splashing Only watches that are water resis tant to 5 or more bars should be subjected to repeated im...