Side by side

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

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

MBIII
BremontMBIII
MSRP $5,450
JDD (Jumbo Day/Date) Anthracite Diver's Automatic
MarathonJDD (Jumbo Day/Date) Anthracite Diver's Automatic
MSRP $3,250

At a glance

10 of 29 specs differ
Diameter
MBIII43mm
JDD (Jumbo Day/Date) Anthracite Diver's Automatic46mm
Power Reserve
MBIII40h
JDD (Jumbo Day/Date) Anthracite Diver's Automatic40h
Water Resistance
MBIII100m
JDD (Jumbo Day/Date) Anthracite Diver's Automatic300m
MSRP
MBIII$5,450
JDD (Jumbo Day/Date) Anthracite Diver's Automatic$3,250

Full specifications

Case

7 specs
Category
Pilot
Diver
Diameter
43mm
46mm
Thickness
14.5mm
18mm
Lug-to-Lug
55mm
Lug Width
14.5mm
22mm
Material
Stainless Steel
316L Stainless Steel (Anthracite IP)
Water Resistance
100m
300m

Crystal & Dial

1 specs
Dial Color
Armoured II
Anthracite

Movement

1 specs
Caliber
BE-36AE
Sellita SW220-1

Pricing

1 specs
MSRP
$5,450
$3,250

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What people say

Owners + reviewers, side by side

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

Bremont MBIII

The Bremont MBIII is praised for its versatile pilot's watch design, excellent dial visibility, and shock-resistant chronometer movement housed in a 43mm Trip-Tick case with a Faraday cage. Owners appreciate its unique origin story tied to Martin-Baker ejection seats and the brand's distinctive design language, with some noting the orange barrel accent. The watch features a 24-hour scale, 100m water resistance, and an improved Roto Click bezel. However, the "DANGER EJECTION SEAT" dial text is considered divisive, and its ETA 2892 GMT movement is not a "true" GMT as only the 24-hour hand is independently adjustable. On balance, owners and reviewers value the Bremont MBIII for its robust build and unique aviation-inspired narrative.

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.

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