The AAA Watch Club have been making 24 hour watches (and featuring on this site!) for nearly 20 years. Now you can join in the excitement of a Kickstarter project with an opportunity to obtain their latest offering: the Forte Limited Edition ALPHA SX Series Safety-Inspired 24 Hour Watch:

now water resistant to 20 ATM and with anti-glare Sapphire Glass.
The Kickstarter campaign is about to launch! Visit this link to see the home page, where you can arrange to be notified when the Kickstarter Project Page goes live.
You can find their existing range of watches at aaawatchclub.com.