Muslims believe that time is Allah's great gift. In several of the Suras (or chapters) about Mecca, Allah swears by the different times of day, i.e. day, night, morning, dawn and dusk. The Koran highlights the importance of time and calls upon the faithful to pay attention to this concept once again.
Hijra mechanical wristwatches are not only luxury objects, but also excellent timekeeping devices embedded with the Islamic calendar and a new moon-phase display created especially for Muslims.