Model number
You can find the model number on the backside of the shaver.
Serial number
You can find the serial number on the backside of the shaver or under the pop-up trimmer or in the hair chamber. The serial number consists of 9, 6 or 5 digits.
Format 9 digits: 5-YYWWD-***
Format 6 digits: YYMMD
Format 5 digits: YYWWD
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