Ball Watch Engineer Hydrocarbon AeroGMT II 42mm DG2018C-S17C-BK

Engineer Hydrocarbon AeroGMT Sled Driver – Limited Edition 1990 Pieces.

• Brushed & polished stainless steel case.
• Titanium case back featuring a Mach 3+ emblem.
• Patented crown guard protection. 
• Stainless steel bi-directional bezel with blue/black aluminum GMT bezel ring.
• The bezel insert is capped with a sapphire bezel & features a 24 hour scale with micro gas tubes luminosity.
• Black dial.
• Luminosity:
• 20 micro gas tubes on dial & hands.
• 24 micro gas tubes on bezel.
• Bold black & white hands.
• Index & numeral hour markers.
• Fine printed minutes/seconds tracks.
• Date window with magnifier at 3 o’clock.
• GMT Triple Time-Zone functions:
• Indicated via the additional central arrow-head hour hand. This hand makes a single rotation every 24 hours & points to the desired GMT time-zone on the bezel & dial flange.
• Fixed 12 hour scale on dial flange.
• 24 hour scale on the bezel with blue (day) & black (night) zone.
• Ball Watch caliber RR1201-C, COSC Certified, beats at 28,800 vph (4Hz), 21 jewels, power reserve of +/- 42 hours.