Authorised Ball Retailer
Ball Engineer Hydrocarbon EOD Automatic Watch
Colour: Black
· Ref: DM3200A-S2C-BK
£3,540
VAT incl. · Free express delivery
15%
off with your code
Apply it at checkout · Your price: £3,009.00
Colour: Black
Authenticity
Authorized Ball dealer
Warranty
Official Ball warranty
Shipping
Free · DHL Express
Returns
30 days from delivery
Overview
The Ball Engineer Hydrocarbon EOD guards its movement with three separate shock systems and pairs a black dial with a titanium case.
Three layers of shock protection
Named for explosive ordnance disposal units and licensed by the U.S. Navy, the EOD uses three shock systems, each protecting a different part of the watch.
SpringLOCK surrounds the balance spring with a cage that limits how far its coils can expand during an impact. SpringSEAL helps hold the regulator at its setting. The regulator is the part used to adjust the movement’s rate.
An elastomer ring, patented in 2017, surrounds both the movement and the dial. The ring lets the movement and dial shift slightly to absorb impact energy and shield the whole unit. SpringLOCK and SpringSEAL protect the smaller components within. All three systems earn their keep on a job site, on the trail, or anywhere the watch is likely to take a knock.
An elapsed-time bezel
Around the black dial, the unidirectional bezel carries a scale for measuring elapsed time. You can use it to time an interval while still reading the time on the main hands and the date on the dial. Sealed tritium gas tubes illuminate the hands, hour markers, and bezel, glowing continuously without a battery or any need for prior exposure to light.
Certified accurate, even in deep cold
The COSC-certified Ball RR1101-CSL automatic movement uses oil formulated for temperatures down to -49°F (-45°C). COSC, the official Swiss institute that certifies chronometers, tests each movement for 15 days.
Protected against magnetism
Guarding against magnetism is an old Ball concern, dating to the standards Webb C. Ball set for railroad watches after the 1891 train collision at Kipton, Ohio. A mu-metal shield redirects magnetic fields around the movement to help protect its rate. Magnetic resistance is rated at 80,000 A/m (1,000 gauss).
The details
The titanium case measures 42 mm across and 13.7 mm thick, with a sapphire crystal over the dial. The case is water-resistant to 300 meters.
A titanium bracelet closes with a folding clasp.
At a glance
- Titanium case
- Tritium gas tubes
- Ball RR1101-CSL · COSC chronometer
- Antimagnetic to 80,000 A/m (1,000 gauss) · SpringLOCK® shock system
- Unidirectional rotating bezel
- 30 atm water resistance
Specs
Movement
Type
Automatic
Calibre
Ball RR1101-CSL
Cold resistance
Up to -45º C
Regulator protection
SpringSEAL®
Case
Material
Titanium
Diameter
42 mm
Thickness
13.7 mm
Crystal
sapphire
Antimagnetic
80,000 A/m
Shock system
Patented SpringLOCK® system
Shock absorption
Patented elastomer ring
Magnetic shield
Mu-metal
Dial
Color
Black
Calendar
Date
Lume
Hands, hour markers and bezel
Gas tubes
H3 Gas tubes
Water resistance
Rating
30 atm
Bracelet
Material
Titanium
Clasp
Type
Foldover clasp
General
Country of manufacture
Switzerland
Questions & Answers
Why does the EOD use three shock-protection systems?
Each acts on a different part of the watch. SpringLOCK places a cage around the balance spring to limit how far its coils can expand during an impact. SpringSEAL helps preserve the regulator setting used to adjust the movement’s rate. Around both the movement and dial, an elastomer ring allows slight movement to absorb impact energy before it reaches the components inside.
How does the EOD illuminate the bezel as well as the dial?
Its tritium tubes illuminate the hands, hour markers, and bezel. 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.
How does the magnetic shield protect timekeeping?
A mu-metal shield redirects static and low-frequency magnetic fields around the mechanical movement. This helps keep those fields from disturbing its rate. The watch is rated to 80,000 A/m (1,000 gauss). 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 helps preserve the watch’s water resistance?
Water resistance depends on the condition of the seals and correct closure of the crown and case. Seals age over time, so water resistance can decline unless the seals are checked and replaced. Follow Ball’s care and service instructions.
Still have questions?
Talk to a specialist
Verified Reviews
FAQ
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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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