هذه الساعات كانت فريدة من نوعها، كما أنها لا تملك مؤشرا مثل اليدين (كما هو مستخدم اليوم) أو الشقوق المسننة.
These clocks were unique, as they did not have an indicator such as hands (as are typically used today) or grooved notches (as were used in Egypt).