How To Use The Tachymeter - Seiko

> HOW TO USE THE CHRONOGRAPH > How to use the tachymeter

How to use the tachymeter

The numbers on the tachymeter scale can be read to determine how many seconds it takes to run 1 km or to measure the time required to complete 1 job.

How to measure kilometers / hour

1. Measure the time (within 1 minute) it takes to run 1 km.

2. Read the tachymeter scale where the center stopwatch seconds hand points.

Ex.:

If it takes 45 seconds to run 1 km...80 km/h

How to measure the hourly rate of operation

1. Measure the time (within 1 minute) required to complete 1 job.

2. Read the tachymeter scale where the center stopwatch seconds hand points.

Ex.:

If it takes 20 seconds to complete one product...180 products/hour

• HOW TO USE
• Handling cautions
• Mechanical watch characteristics (Hand-wound, auto-wound)
• Names of the parts and their functions
• Crown
• Screw lock type button
• How to wind the mainspring
• HOW TO SET THE TIME AND DATE
• How to set the time and date
• Date adjustment at the end of the month
• HOW TO USE THE CHRONOGRAPH
• How to use the chronograph
• How to use the stopwatch
• How to read the stopwatch minute hand
• How to use the tachymeter
• TO PRESERVE THE QUALITY OF YOUR WATCH
• Daily care
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• Band
• How to use tri-fold type clasp for leather band (Special clasps)
• How to use an easy adjust type clasp
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• Troubleshooting
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