Authorised Ball Retailer
Ball Engineer Hydrocarbon AeroGMT II Automatic Watch
Colour: Blue
· Ref: DG2018C-SC-BE
£3,250
VAT incl. · Free express delivery
15%
off with your code
Apply it at checkout · Your price: £2,762.50
Colour: Blue
Authenticity
Authorized Ball dealer
Warranty
Official Ball warranty
Shipping
Free · DHL Express
Returns
30 days from delivery
Overview
The 42 mm Ball Engineer Hydrocarbon AeroGMT II keeps three time zones readable day and night, with tritium tubes lighting its blue dial and sapphire bezel.
Three time zones at once
Developed for commercial pilots, the AeroGMT II shows home time, local time, and a third time zone on one dial. The main hands show local time. The separate GMT hand points to home time on a fixed 24-hour scale. Turning the bidirectional bezel brings a second 24-hour scale into line with the same hand, so you can also read the time at another destination.
Both 24-hour scales distinguish day from night, so you can see at a glance whether it is morning or evening in the other zones. The watch is built for days that start in one time zone and end in another, from a red-eye flight to a morning meeting abroad.
Lit by 43 tritium tubes
The curved sapphire bezel carries an illuminated 24-hour scale. In all, 43 sealed tritium micro gas tubes light the hands, the hour markers, and the bezel markings. Each tube produces its own continuous light, without a battery or any need to be charged in sunlight or under a lamp. An anti-reflective sapphire crystal covers the blue dial and date display.
Protected against magnetism
Webb C. Ball made magnetic resistance one of his railroad watch requirements after the 1891 train collision at Kipton, Ohio. Ball has treated magnetism as a threat to accuracy ever since. Shock resistance is rated at 7,500 Gs (7,500 times the force of gravity). Magnetic resistance is rated at 4,800 A/m (the international standard for antimagnetic watches). The case is water-resistant to 100 meters.
The details
The stainless steel case measures 42 mm across and 13.85 mm thick. A patented crown protection system helps keep the crown securely closed. Inside, the COSC-certified Ball RR1201-C automatic movement provides a 42-hour power reserve. COSC is the official Swiss institute that tests chronometers for accuracy over 15 days.
The stainless steel bracelet fastens with a patented folding clasp that includes an extension.
At a glance
- GMT, third time zone
- 43 tritium gas tubes
- Ball RR1201-C · COSC chronometer · 42-hour power reserve
- Antimagnetic to 4,800 A/m · shock-resistant to 7,500 Gs
- Bidirectional rotating bezel · patented crown protection
Specs
Movement
Type
Automatic
Calibre
Ball RR1201-C
Power reserve
42 Hours
Frequency
28,800 vph
Jewels
21 jewels
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
43 H3 Gas tubes
Water resistance
Rating
10 atm
Bracelet
Material
Stainless steel
Clasp
Type
Patented folding buckle with extension system
General
Country of manufacture
Switzerland
Questions & Answers
How do I read the three time zones?
The main hands show local time, and the GMT hand reads a second zone on the fixed 24-hour scale. Turn the bidirectional bezel to read that same GMT hand against another 24-hour scale for a third zone.
How do the travel scales stay illuminated after dark?
The 43 tubes illuminate the hands, hour markers, and sapphire bezel scale, keeping the time-zone readings visible after dark. Inside each sealed glass tube, tritium activates a luminous coating. The tubes glow continuously, without a battery or any need to be charged by sunlight or a lamp. 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. Magnetic resistance is rated at 4,800 A/m. Stronger fields can exceed that protection.
What does COSC certification mean for this movement?
The movement passed independent chronometer testing over 15 days, in five positions and at three temperatures. The permitted average daily rate during testing is -4 to +6 seconds. The test is done before the movement is fitted into the case, so the watch’s daily rate on the wrist 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.
Still have questions?
Talk to a specialist
Verified Reviews
FAQ
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With over 15 years in the luxury market, we guarantee the authenticity and quality of every piece we sell.
Your order arrives brand new in its original Ball packaging, with all official documentation and the Ball warranty card, stamped and dated by us.
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.
Questions about a specific piece? Our specialists are happy to help. [Contact our team →]
Questions about a specific piece? Our specialists are happy to help.
Yes — free DHL Express shipping on all UK orders of £400 or more.
- Orders from £150 to £399.99 ship DHL Express for a flat £9.90
- Orders under £150 ship DHL Express for a flat £19.90
Every order ships with a tracking number, so you can follow your package every step of the way. Shipments are fully insured and delivered by DHL Express with signature required.
Most in-stock orders arrive within 1-2 working days of dispatch.
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"Dispatched within X working days" — the piece is held at our secondary warehouse. We allow a few days to inspect and authenticate it before dispatch.
"Check delivery date" — the piece is available to order, but we confirm the exact date with the brand. As soon as you order, we contact the manufacturer and email you an estimated date.
Need something by a specific date? Tell us and we'll check before you buy. [Contact our team →]
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 cost is deducted from your refund. If the piece arrived damaged or wasn't what you ordered, the return is on us.
Your refund options.
- Credit (issued as a gift card) — processed almost immediately once your return reaches us
- Refund to your original payment method — typically 5–10 working days, depending on your bank
To qualify for a full refund, the piece must:
- Be unused and in perfect condition, with no signs of wear
- Include its original packaging and outer box
- Include all original documentation, accessories, and the warranty card
- Not be engraved or personalised — custom pieces are made to order and can't be returned
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