Gift ideas for men under 600$?

So my husbands birthday is coming up and I want to get him something nice. I was thinking about getting him a watch that’s not too expensive but not so cheap either. But I have no idea what brand 🤔 600$ is the limit can y’all help me out?

Either that or a knife 🔪 he’s a chef and he loves using really good knives like top brands the only problem Is I have no idea what type of knives chefs Like using and he works in one of nyc’s famous restaurants