Side by side

HELM Komodo TitaniumvsMarathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic

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

Komodo Titanium
HELMKomodo Titanium
MSRP $350
JDD (Jumbo Day/Date) Anthracite Diver's Automatic
MarathonJDD (Jumbo Day/Date) Anthracite Diver's Automatic
MSRP $3,250

At a glance

14 of 29 specs differ
Diameter
Komodo Titanium40mm
JDD (Jumbo Day/Date) Anthracite Diver's Automatic46mm
Power Reserve
Komodo Titanium40h
JDD (Jumbo Day/Date) Anthracite Diver's Automatic40h
Water Resistance
Komodo Titanium300m
JDD (Jumbo Day/Date) Anthracite Diver's Automatic300m
MSRP
Komodo Titanium$350
JDD (Jumbo Day/Date) Anthracite Diver's Automatic$3,250

Full specifications

Case

5 specs
Diameter
40mm
46mm
Thickness
15.5mm
18mm
Lug-to-Lug
47mm
55mm
Lug Width
20mm
22mm
Material
Titanium
316L Stainless Steel (Anthracite IP)

Crystal & Dial

4 specs
Crystal Shape
Double-Domed
Flat
AR Coating
Yes
Inner
Dial Color
Black
Anthracite
Lume
Super-LumiNova
None

Movement

4 specs
Caliber
Seiko Instruments NH35
Sellita SW220-1
Power Reserve
40h
40h
Jewels
24
25
Complications
Date
None

Pricing

1 specs
MSRP
$350
$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.

HELM Komodo Titanium

Owners widely praise the HELM Komodo Titanium for its excellent build quality, top-notch case finishing, dial execution, and abundant BWG9 lume, noting its robust tool watch ethos and exceptional value under $300. The watch features a clean, unique design with a matte white dial, color-matched indices and hands, and a precise 120-click bezel. However, its thickness, cited between 15.2mm and 15.5mm, leads some owners to describe it as chunky or hefty, and the large clasp design is noted as a drawback by one owner. The bezel ridges are also flagged as making it somewhat uncomfortable to turn. On balance, owners rate the HELM Komodo Titanium highly for its exceptional value and robust tool watch build.

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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