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Ball Engineer Hydrocarbon AeroGMT II Automatic Watch
Color: Black
· Ref: DG2018C-S11C-BE
$4,819
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Color: Black
Authenticity
Authorized Ball dealer
Warranty
Official Ball warranty
Shipping
Free · DHL Express
Returns
30 days from delivery
Overview
Ball Engineer Hydrocarbon AeroGMT II brings three time zones to a 42 mm steel case, with a blue dial and an illuminated sapphire bezel.
Developed for commercial pilots, the AeroGMT II shows local time on the main hands and a second zone with a separate GMT hand. That hand reads a fixed 24-hour scale, making day and night clear in the second zone. Turning the bidirectional bezel brings another 24-hour scale into play for a third reading, so home, local, and destination time can be followed together.
Black and green divide the sapphire bezel’s illuminated 24-hour scale. Its micro gas tubes extend the dial’s lighting system to the travel scale. In all, 44 sealed tritium tubes illuminate the hands, hour markers, and bezel continuously, without a battery or prior exposure to light. An anti-reflective sapphire crystal covers the blue dial and date display.
The COSC-certified Ball RR1201-C automatic movement drives the time and GMT displays. It sits inside a stainless steel case measuring 42 mm across and 13.85 mm thick, with a patented crown protection system to help keep the crown securely closed. The watch combines shock resistance to 7,500 Gs with magnetic resistance to 4,800 A/m, and the case is water-resistant to 10 atm.
A stainless steel bracelet closes with a folding clasp.
At a glance
- GMT, third time zone
- 44 tritium gas tubes
- Ball RR1201-C · COSC chronometer
- Antimagnetic to 4,800 A/m · shock-resistant to 7,500 Gs
- Bidirectional rotating bezel · patented crown protection
Specs
Type
Automatic
Diameter
42 mm
Crystal
Anti-reflective sapphire
Rating
10 atm
Type
Foldover clasp
Country of manufacture
Switzerland
Movement
Type
Automatic
Calibre
Ball RR1201-C
Case
Material
Stainless steel
Diameter
42 mm
Thickness
13.85 mm
Crystal
Anti-reflective sapphire
Crown
Patented crown protection system
Antimagnetic
4,800 A/m
Impact resistance
7,500 Gs
Dial
Color
Blue
Calendar
Date
Lume
Hands, hour markers and bezel
Gas tubes
44 H3 Gas tubes
Water resistance
Rating
10 atm
Bracelet
Material
Stainless steel
Clasp
Type
Foldover clasp
General
Country of manufacture
Switzerland
Questions & Answers
How do I read the three time zones?
The main hands show local time. The GMT hand reads a second zone against the fixed 24-hour scale. Turning the bidirectional 24-hour bezel creates another reference for that same GMT hand, giving a third time-zone reading.
How do the travel scales stay illuminated after dark?
The 44 tubes illuminate the hands, hour markers, and sapphire bezel scale, so the lighting covers the time-zone readings around the display. Tritium inside each sealed glass tube activates a luminous coating continuously, without a battery or prior exposure to light. The glow gradually fades as the tritium decays, with a half-life of about 12.3 years.
What does magnetic resistance mean for the movement?
Magnetic fields can disturb a mechanical movement’s rate. The magnetic-resistance rating describes its protection against that effect. The watch is rated to 4,800 A/m; stronger magnetic fields can exceed that protection.
What does COSC certification mean for this movement?
It passed independent chronometer testing over 15 days, in five positions and at three temperatures. The permitted average daily rate during the test is -4 to +6 seconds. This traditional test is performed before the movement is cased, so the watch’s rate in daily wear can vary.
What does the Hydrocarbon crown guard do?
The patented guard protects the crown against impacts and helps ensure that it is properly closed. Both the crown and guard must be secured before the watch is exposed to water.
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FAQ
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The warranty covers manufacturing defects. It doesn't cover normal wear and tear or accidental damage — and on watches, it doesn't cover straps, bracelets, or batteries.
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You have 30 days from delivery to return your order.
How returns work. Just let us know and we'll email you a prepaid DHL Express return label — you never have to arrange a shipment or pay anything up front. The return shipping cost is deducted from your refund. If the item arrived damaged or wasn't what you ordered, the return is on us.
Your refund options.
- Store credit (issued as a gift card) — processed almost immediately once your return reaches us
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To qualify for a full refund, the item must:
- Be unused and in perfect condition, with no signs of wear
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