The Titanium Field GuidePicks of the month

Ball Roadmaster Marine GMT

DG3030B

The Ball Roadmaster Marine GMT is a 40 mm titanium dive watch with a Ball RR1203-C automatic movement.

All Ball watchesDiver watchesLightest, rankedDisplay backGMT
Price
$3,999
Material
Titanium
Grade / type
Titanium (grade undisclosed)
Weight
160 g (with bracelet)
Water resistance
200 m
Reference
DG3030B
Type
Diver
Case diameter
40.0 mm
Thickness
14 mm
Origin
Switzerland
Movement
Automatic (COSC)
Caliber
Ball RR1203-C
Complications
GMT, Day-date
Colour
Grey
Surface treatment
Satin-brushed / polished
Finish technology
Natural finish
Nickel-free
No (steel contact)
Bracelet / strap
Titanium
Crystal
Sapphire (+ caseback)
Display back
Yes
Dial
Black / blue (ceramic bezel)
Dial colours
Black Blue
Lume
Tritium micro gas tubes
Availability
Offered
Status
Current
Not published
Lug-to-lug, Power reserve, Hardness, Construction, Caseback, Matching bracelet
High confidence Verified Aug 2026 Source: aBlogtoWatch Maker ↗
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Frequently asked questions

Is the Ball Roadmaster Marine GMT nickel-free?

No. At least one part that touches the skin is steel, usually the caseback or the clasp, and steel carries nickel, so the guide does not list it as nickel-free.

What grade of titanium is the Ball Roadmaster Marine GMT?

The maker confirms titanium but does not publish a grade.

What size is the Ball Roadmaster Marine GMT?

The case is 40 mm across and 14 mm thick. It is water resistant to 200 m.

How much does the Ball Roadmaster Marine GMT weigh?

About 160 g on its bracelet.

How much does the Ball Roadmaster Marine GMT cost, and is it available?

It is in production, at a list price of $3,999.

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