Side by side

Bell & Ross BR-X3 Blue SteelvsMarathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

BR-X3 Blue Steel
Bell & RossBR-X3 Blue Steel
MSRP $7,992
JDD (Jumbo Day/Date) Anthracite Diver's Automatic
MarathonJDD (Jumbo Day/Date) Anthracite Diver's Automatic
MSRP $3,250

At a glance

20 of 29 specs differ
Diameter
BR-X3 Blue Steel41mm
JDD (Jumbo Day/Date) Anthracite Diver's Automatic46mm
Power Reserve
BR-X3 Blue Steel70 hoursh
JDD (Jumbo Day/Date) Anthracite Diver's Automatic40h
Water Resistance
BR-X3 Blue Steel100m
JDD (Jumbo Day/Date) Anthracite Diver's Automatic300m
MSRP
BR-X3 Blue Steel$7,992
JDD (Jumbo Day/Date) Anthracite Diver's Automatic$3,250

Full specifications

Case

9 specs
Category
Sport
Diver
Diameter
41mm
46mm
Thickness
13.3mm
18mm
Lug-to-Lug
55mm
Lug Width
22mm
Material
Stainless Steel
316L Stainless Steel (Anthracite IP)
Finish
Brushed and polished
Water Resistance
100m
300m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Underside
Inner
Dial Color
White
Anthracite
Indices
Applied indices
Applied
Lume
Super-LumiNova
None

Movement

5 specs
Caliber
BR-CAL.323
Sellita SW220-1
Beat Rate
28,800 vph
Power Reserve
70 hoursh
40h
Jewels
25
Complications
Hours/Minutes, Seconds, Power Reserve Indicator
None

Pricing

1 specs
MSRP
$7,992
$3,250

Follow this matchup

Get a note when Bell & Ross BR-X3 Blue Steel vs Marathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Bell & Ross BR-X3 Blue Steel

The Bell & Ross BR-X3 Blue Steel is noted for its integration of the Kenissi movement into the BR-03 case, featuring a layered dial with a reoriented power reserve indicator. Owners find the lume bright, though less so in person than in images, and appreciate the comfort and unique dial variations, viewing it as an experimental piece. Reviewers note the three-date window is less clear than a single date display and find the blue dial's shininess excessive.

Marathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic

Owners widely praise the Marathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic as a tough, underrated tool watch with lifestyle appeal, highlighting its robust build and tritium lume for excellent legibility. However, its 46mm size is a common criticism, with some finding it heavy and top-heavy, and the OEM rubber strap stiff. One owner noted the watch runs about 10 seconds fast after three days, and the ETA 2836-2 movement offers approximately two days of power reserve. On balance, owners and reviewers rate the Marathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic highly for its robust tool-watch build and legibility, despite its substantial size.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.