<p>Are you allowed to use one on the SATI? It's neither explicitly forbidden nor allowed in anything I've read.</p>
<p>you must use a watch, if you're going to get a 700+.</p>
<p>just make sure it doesn't beep, though, or that you can turn the sound off.</p>
<p>A lot of people either wear a watch or have a time on their desk.</p>