<p>What are we allowed to use as I timer? I don't have a digital watch. I only have an automatic watch with a chronograph. can we use a small desktop alarm clock with the alarm on mute?</p>
<p>What are we allowed to use as I timer? I don't have a digital watch. I only have an automatic watch with a chronograph. can we use a small desktop alarm clock with the alarm on mute?</p>