> TO PRESERVE THE QUALITY OF YOUR WATCH > Performance and type

Performance and type

The case back shows the caliber and performance of your watch

8R48_Performance and type V + Performance and type V

Water resistant performance

Case Number

Magnetic resistant performance

The above illustration is provided as an example, therefore the position and contents of the display may not be exactly the same as your watch.

Water resistant performance

Please refer to Water resistant performance.

Case Number

The number to identify the type of your watch.

Magnetic resistant performance

Please refer to Magnetic resistant performance and Examples of common magnetic products that may affect watches.

  • 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
    • Performance and type
    • Lumibrite
    • Water resistant performance
    • Magnetic resistant performance
    • Band
    • How to use tri-fold type clasp for leather band (Special clasps)
    • How to use an easy adjust type clasp
    • After sales service
    • Accuracy of mechanical watches
    • Troubleshooting
    • Specifications
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