Brushed black ceramic case crafted from a single block of ceramic. Bezel: Black ceramic bezel Blue galvanized rubber filled 15 minute scale zone. Satin finished Liquidmetal diving scale markings & numbers. Luminous dot at the starting point (green colored emission). Dial: Matte black zirconium oxide ceramic dial, with [ZrO2] engraved on the dial directly below the center hands. Applied brushed white gold index hour with luminous fill (blue colored emission). Applied blue 6, 9 & 12 hour markers. Silver printed minute/seconds track. Brushed white gold hands with luminous fill (hour & seconds hands with blue colored emission, minute hand with green colored emission). Date window located at the 3 o\'clock position. Helium escape valve located on the case edge at the 10 o\'clock position. GMT/2nd Time-zone: Indicated by the blue spear-head hand with a luminous filled tip. This hand makes a single rotation every 24 hours & points to the desired GMT timezone on the bezel. The additional time is indicated in a black (night) & blue (day) 24 hour chapter ring on the dial perimeter. The reason for the 24 hour mode is to eliminate confusion between day & night at the desired time-zone. Screwed-in transparent case back with the engraving oriented & aligned with the watch, thanks to Omega\'s patented \Naiad Lock\. Movement: Omega Master Co-Axial caliber 8906.""