Multiple outlets discuss the practice of engraving a watch and its potential impact on value. They state that engraving can increase the sentimental or perceived worth of a watch for the person receiving it, particularly when it is used for a personal message or dedication. At the same time, the articles say engraving can reduce the watch’s appeal to future buyers because customized markings make the item less universally desirable and harder to resell. The sources also note there is an exception: engraving may be acceptable or even expected in certain circumstances, such as when it involves a well-known public figure. All three pieces frame the guidance as a general consideration for shoppers, especially those concerned with long-term resale value, while acknowledging that the personal meaning of engraving can outweigh those concerns for the recipient.