Read the oldometer. That's how many miles I've got on this body. Aged 45 Years. 45th Birthday gift tee for people born in 1975. Vintage Oldometer 45th Birthday Counting. Make a cool gift for your dad, mom, grandparent, friend who are turning 45 years old. Have a man turning 45 in your life? Does he love cars, racing and anything with an odometer? Then this is the perfect 45th birthday gift for him! This 45th birthday gift is perfect for dad, papa, grandpa, husband, boyfriends and any other man in your life!