Watches are a very personal and can very dependant on personality. You need to give an idea of your husbands style and what your actual budget it.
Omega Speedmaster is a classic watch, can be worn on metal bracelet, leather or rubber strap. Classic style, not too big or showy but elegant and sporty. They also appreciate in value.
https://www.jomashop.com/omega-speed...xoCF4MQAvD_BwE