Side by side

Formex Field AutomaticvsMarathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic

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

Field Automatic
FormexField Automatic
MSRP $881
JDD (Jumbo Day/Date) Anthracite Diver's Automatic
MarathonJDD (Jumbo Day/Date) Anthracite Diver's Automatic
MSRP $3,250

At a glance

12 of 29 specs differ
Diameter
Field Automatic40mm
JDD (Jumbo Day/Date) Anthracite Diver's Automatic46mm
Power Reserve
Field Automatic41h
JDD (Jumbo Day/Date) Anthracite Diver's Automatic40h
Water Resistance
Field Automatic150m
JDD (Jumbo Day/Date) Anthracite Diver's Automatic300m
MSRP
Field Automatic$881
JDD (Jumbo Day/Date) Anthracite Diver's Automatic$3,250

Full specifications

Case

7 specs
Category
Field
Diver
Diameter
40mm
46mm
Thickness
10.6mm
18mm
Lug-to-Lug
46.6mm
55mm
Lug Width
20mm
22mm
Material
Titanium
316L Stainless Steel (Anthracite IP)
Water Resistance
150m
300m

Crystal & Dial

2 specs
Dial Color
Ash Grey
Anthracite
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Sellita SW200-1
Sellita SW220-1
Power Reserve
41h
40h

Pricing

1 specs
MSRP
$881
$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.

Formex Field Automatic

Owners widely praise the Formex Field Automatic for its lightweight, scratch-resistant Grade 2 titanium case with a hardening treatment and its comfortable wearability, especially with quick-release straps and a carbon clasp. Reviewers and owners alike highlight the dial's legibility and depth, with one noting the Petrol Blue's great color and subtle texture. The Sellita SW200-1 movement is considered a practical choice, with one owner reporting accuracy of +1 second per day. The watch offers 150m water resistance and is seen as good value under $1000. Some owners desire a matching titanium bracelet and find the numeral typography less appealing. Overall, owners and reviewers rate the Formex Field Automatic highly for its robust, comfortable titanium construction and functional dial design at its price point.

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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