24 mm caliber sensitive movement with a central second hand;
Scale: 12 hrs;
Height 5/32 inch (3.7 mm);
17 ruby jewels;
Totally wound movement run not less than 38 hrs.
Around the clock-face there is a bezel (lunette) – a rotating pointed ring. It is designed to pinpoint the time. By diving tradition, the last 20 minutes of the lunette are red – the signal to float to the surface.