Black face with both 12 and 24 hour dials (inner central 12 hour dial register represents local time and outer dial register ring represents home time using 24 hour GMT hand)
30 ATM with black dial includes 2 sub-dials, one at 9 o'clock position which indicates AM/PM (of the local time) and the other at 6 o'clock position which indicates local date
GMT function must include "local time" rapid hour corrector
Top pusher advances local time forward by one hour, lower pusher adjusts local time backward by one hour
Luminous hands and hour markers
Unidirectional bezel with 120 clicks
Water resistant to 30 ATM (300 meters/1,000 feet)
Sapphire crystal
Minimum 21 jewel automatic movement
Stainless steel case 50mm diameter by 19 mm thick
Three screw-down pushers and one crown
Vulcanized rubber bracelet with stainless steel buckle
Light sources for dial and hands (hour, minute and GMT) provided by self-lighting tritium tubes
