Ball Engineer III Outlier GMT Automatic Watch with Black Dial.
Limited to 1,000 pieces worldwide. Engineer III is the modern Engineer: 904L steel, mu-metal magnetic protection and the Amortiser system, on cases sized for daily wear. The Outlier runs the RRM7337-C over 3 time zones, under a bidirectional ceramic bezel that combines Super-LumiNova with tritium gas tubes. The case measures 40 mm in 904L stainless steel, 13.8 mm deep.
The Ball RRM7337-C holds COSC chronometer certification. 29 sealed glass tubes of tritium gas light the dial, each one self-powered for 25 years. Around it, the patented Amortiser® system holds the balance through impact and magnetic protection reaches 80,000 A/m — 1,000 Gauss, held by an inner case of mu-metal, an alloy of nickel, iron, copper and molybdenum that draws field lines around the movement.
The bezel is ceramic, which holds its colour against ultraviolet light and keeps its edge against abrasion. The 29 tubes hold the same brightness year after year, on their own energy.
The 29 tubes hold tritium gas, which emits its own light through radioactive decay, continuously and on its own energy. Tritium has a half-life of 12.3 years, so the glow fades slowly. Ball rates the tubes for at least 25 years of useful reading.
The movement was tested for 15 days by the Contrôle Officiel Suisse des Chronomètres in 5 positions and at 3 temperatures, and it has to hold an average daily rate between -4 and +6 seconds. The certificate covers the movement as tested, before it was cased.
80,000 A/m is the equivalent of 1,000 Gauss, which covers the magnets you meet in a normal day — speaker surrounds, laptop and tablet closures, handbag clasps, induction hobs. An inner case of mu-metal, an alloy of nickel, iron, copper and molybdenum, draws the field lines around the movement.
A ring around the movement damps the shock before it reaches the gear train, and a brake holds the rotor so that an impact stops it turning violently on its axis, which is how a shock usually damages an automatic movement.
The crown jumps the local 12-hour hand forward or back in whole hours while the GMT hand and the running seconds carry on undisturbed, and the date wheel follows the local zone. You reset to a new time zone with the watch still running.
Yes, we are an Official Ball Authorized Dealer, and an authorized dealer for every brand we carry.
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.
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"In stock, ships within 24 hours" or "Only X units left" — the item is in our warehouse and ships the next business day after you order.
"In stock, ships within X days" — the item is held at our secondary warehouse. We allow a few days to inspect and authenticate it before it ships.
"Check delivery date" — the item 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 delivery date.
Need something by a specific date? Tell us and we'll check before you buy. [Contact our team →]
Yes — free DHL Express shipping on all US orders of $250 or more.
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 2–3 business days, depending on your location.
No, the price you see at checkout is the price you pay — nothing else.
The price you pay at checkout is the final price of the item delivered to your address.
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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.
To qualify for a full refund, the item must:
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Our specialists are here before and after you buy — no pressure, no obligation. Authorized dealer, official warranty, and guaranteed authenticity on every piece.