The Titanium Field GuidePicks of the month

Ball Roadmaster M Marvelight Bronze (43mm)

DD3072B-L3CJ-BK, DD3072B-L3CJ-BE, DD3072B-L3CJ-GR, DD3072B-L4CJ-BE

The Ball Roadmaster M Marvelight Bronze (43mm) is a 43 mm bronze dive watch with a BALL RRM 7309-C automatic movement. With a 80-hour power reserve, only one of the 142 other mechanical bronze dive watches with a stated reserve runs longer.

All Ball watchesDiver watches
Price
$3,349
Material
Bronze
Grade / type
Bronze (grade not stated)
Water resistance
200 m
Reference
DD3072B-L3CJ-BK, DD3072B-L3CJ-BE, DD3072B-L3CJ-GR, DD3072B-L4CJ-BE
Type
Diver
Case diameter
43.0 mm
Thickness
14.5 mm
Lug-to-lug
50.8 mm
Origin
Switzerland
Movement
Automatic manufacture calibre, COSC chronometer
Caliber
BALL RRM 7309-C
Power reserve
80 hours
Complications
Date
Finish technology
Natural finish
Caseback
Steel
Nickel-free
No (steel contact)
Bracelet / strap
Calf leather strap with pin buckle
Crystal
Sapphire
Display back
No
Dial
Black, blue or green
Dial colours
Black Blue Green
Lume
16 tritium micro gas tubes (classic or rainbow tube options)
Availability
Offered
Status
Current (limited edition of 1,000; maker quotes 2 months availability)
Not published
Weight, Colour, Hardness, Construction, Surface treatment, Matching bracelet
Medium confidence Verified Sep 2026 Source: Ball (maker) / Ball (collection page) Spec checksAlloy Sep 2026Price Sep 2026
Facts are free to cite with a link.
Reader reviews & photosContribute photo or review
See it in the interactive guideGet the monthly letterContribute a photo or review

Similar watches

Alternatives to the Ball Roadmaster M Marvelight Bronze (43mm)

More watches from Ball

Frequently asked questions

Is the Ball Roadmaster M Marvelight Bronze (43mm) nickel-free?

No. The caseback is steel, and steel carries nickel, so the guide does not list it as nickel-free.

What is the case of the Ball Roadmaster M Marvelight Bronze (43mm) made of?

The case is bronze (grade not stated). The guide has not yet confirmed it on the maker's own page. The caseback is steel, not titanium.

What size is the Ball Roadmaster M Marvelight Bronze (43mm)?

The case is 43 mm across, 14.5 mm thick and 50.8 mm from lug to lug. It is water resistant to 200 m.

How much does the Ball Roadmaster M Marvelight Bronze (43mm) cost, and is it available?

It is in production, at a list price of $3,349.

All Ball watches · Diver watches · All 1,960 watches

Learn: Titanium grades · Surface treatments · Why titanium scratches · How to read a spec

How we verify & grade · Image & Trademark Policy · Terms & Conditions · Privacy Policy

Report an error on this page · how corrections work