Five Star Gift Ideas

If your grandpa is really into horology, perhaps a classic mechanical watch would be a meaningful and personal birthday gift. You could consider:

1. Vintage Watch: Look for a vintage watch that is made by a reputable watchmaker, or one that has a unique feature, such as a rare complication or a particular style that your grandpa may like.

2. Watchmaking Kit: You can also consider a watchmaking kit, which may include tools and instructions to help him build a watch from scratch. This would be a truly unique and personalized gift that would allow your grandpa to learn more about the intricacies of horology.

3. Watch Winder: If your grandpa already has a collection of mechanical watches, a watch winder would be a thoughtful addition to his collection. These devices help to keep automatic watches wound and running, which is essential if he has a more extensive collection that he rotates through.

4. Custom Watch Dial: Another idea could be to have a custom watch dial made with a personal message or symbol that is meaningful to your grandpa. He could then have it installed in one of his favorite watches, creating a timeless and personalized gift.

5. Horology Book: Lastly, if your grandpa enjoys reading, you could consider giving him a horology book that covers the history of watches or the intricacies of watchmaking. This gift would allow him to explore his passion further and learn more about the fascinating world of horology.

Or you can get him a star map with the date when he was born.