

Ball Roadmaster Marine GMT (40mm) Watch DG3000A-S1CJ-BK
The Ball Engineer Hydrocarbon AeroGMT III Limited Edition represents the ultimate expression of professional dive watch engineering, with only 1000 pieces produced worldwide. This exclusive timepiece merges cutting-edge technology with uncompromising durability. Powered by an automatic BALL caliber RR1203-C movement, COSC chronometer certified for exceptional precision, this watch delivers reliable performance in the most demanding environments. The black dial showcases three time zone indication with a patented quick-set mechanism, enabling seamless global timekeeping. Hours, minutes, sweep second, day, and date functions complete the comprehensive design. Built for technical diving and deep-water expeditions, this 40mm timepiece offers an impressive 300m water resistance and 5,000Gs shock resistance. The screwed-in crown ensures secure operation and reliable water sealing. An extraordinary 28 micro gas tubes illuminate the hour, minute, and GMT hands plus dial, providing exceptional visibility in complete darkness. Constructed from lightweight titanium, this case delivers superior strength-to-weight ratio without sacrificing durability. Anti-magnetic properties rated at 4,800A/m protect the movement from electromagnetic interference. The bidirectional rotating ceramic bezel features Super LumiNova illumination for enhanced visibility in low-light conditions. The anti-reflective sapphire crystal maximizes dial clarity, while the transparent sapphire caseback reveals the mechanical artistry within. The tapered titanium and stainless steel bracelet provides secure, comfortable wear while accommodating wetsuits during diving operations. The 20mm lug width ensures compatibility with alternative straps. An exclusive instrument for professional divers and collectors who demand the finest in precision engineering
* Products will ship in 3 to 5 business days
Return and Exchange Policy
Thank you for shopping with Diamonds of London. We strive to provide high-quality watches, Jewelry and excellent customer service. If you are not completely satisfied with your purchase, we are happy to assist with returns under the following conditions:
Return Eligibility:
- Items must be returned within 7 days of the delivery date.
- The item must be unused, unworn, and in its original packaging with all tags, manuals, and accessories included.
- Items that show signs of wear, damage, or have been resized, engraved, or altered in any way are not eligible for return.
- Special orders, Items that show signs of wear, damage, or have been resized, customized, or altered in any way are not eligible for return.
- Clearance, final sale (item with a discount/sale), or custom-made items cannot be returned.
Restocking Fee:
- All returns are subject to a 20% restocking fee, which will be deducted from your refund.
Return Process:
- Contact our customer support team at sales@diamondsoflondon.com with your order number and reason for return.
- Securely package the watch and ship it back using a trackable shipping service. The customer is responsible for return shipping costs.
- Once received and inspected, a refund will be issued to your original payment method, minus the 20% restocking fee. Please allow 10-12 business days for the refund to process.
Exchanges:
- We do not offer direct exchanges. If you wish to exchange an item, please return the original product (subject to the restocking fee) and place a new order.
Damaged or Defective Items:
- If you receive a damaged or defective watch, contact us within 48 hours of delivery with photos and a description of the issue. We will provide a replacement or full refund at no additional cost.
Cancellation Policy
At Diamonds of London, we understand that plans can change, and we strive to accommodate cancellation requests whenever possible. However, please note the following important terms:
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Order Cancellations: If you choose to cancel your order, please contact us as soon as possible. Cancellations can only be processed before the item has been shipped or customized.
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Non-Refundable Processing Fees: In the event of a cancellation, please be aware that credit card processing fees are non-refundable. These fees are charged directly by our payment processor and are not recoverable by us.
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Refunds: The refund amount will be issued to the original method of payment, excluding the processing fee.
We appreciate your understanding and are here to help with any questions you may have.
For further assistance, please reach out to our customer service team at sales@diamondsoflondon.com or call us at 210-524-7224.
We appreciate your business and thank you for choosing Diamonds of London!
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