Side by side

Bremont ALT1-WTvsMarathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic

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

ALT1-WT
BremontALT1-WT
MSRP $5,900
JDD (Jumbo Day/Date) Anthracite Diver's Automatic
MarathonJDD (Jumbo Day/Date) Anthracite Diver's Automatic
MSRP $3,250

At a glance

9 of 29 specs differ
Diameter
ALT1-WT43mm
JDD (Jumbo Day/Date) Anthracite Diver's Automatic46mm
Power Reserve
ALT1-WT40h
JDD (Jumbo Day/Date) Anthracite Diver's Automatic40h
Water Resistance
ALT1-WT100m
JDD (Jumbo Day/Date) Anthracite Diver's Automatic300m
MSRP
ALT1-WT$5,900
JDD (Jumbo Day/Date) Anthracite Diver's Automatic$3,250

Full specifications

Case

6 specs
Category
World Timer
Diver
Diameter
43mm
46mm
Thickness
16mm
18mm
Lug-to-Lug
55mm
Material
Titanium (DLC coated)
316L Stainless Steel (Anthracite IP)
Water Resistance
100m
300m

Crystal & Dial

1 specs
Dial Color
Blue
Anthracite

Movement

1 specs
Caliber
BE-54AE
Sellita SW220-1

Pricing

1 specs
MSRP
$5,900
$3,250

Follow this matchup

Get a note when Bremont ALT1-WT 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.

Bremont ALT1-WT

The Bremont ALT1-WT is widely praised for its wearable 43mm size, legible dial with a globe background, and robust hardened steel case. Reviewers and owners highlight its well-executed world timer and chronograph functions, the satisfying click of its world timer bezel, and its value for money. Some find the hands can disappear in certain light conditions, and one owner notes a slight gap between the strap and case. The Bremont ALT1-WT uses a COSC-certified ETA/Valjoux 7750-based movement with a world timer module. On balance, owners and reviewers rate the Bremont ALT1-WT highly for its practical combination of chronograph and world-time functions in a well-built, wearable package.

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.