The case back shows the performance and type of your watch.
![credor_7R06 Performance and type + Performance and type](fig/credor_7R06 Performance and ~_BONDILhvggzhdt.png)
Serial number
Case Number
Caliber Number
Case number
The number to identify the type of your watch
Serial number
The number to identify your watch
The above illustrations are examples and may differ from the case back of the watch you purchased.