I took my Seiko 5 in for service mid last year, and after that it kept time well. I don't loose more than a minute over a week or more. But, I specifically sought out a mechanical watch because they're interesting to me. As a software developer, I feel like I don't need another computer strapped to my arm. I appreciate the intricate mechanics.
>You know you need to service mechanical watches regularly, right?
Mostly, yeah, but I have some nicer pieces that have been in my rotation for decades with only the barest minimum of services. Like, I think my Omega (ca. 1998) has been serviced maybe once, and it keeps great time.