Side by side

Hamilton Khaki Field Auto ChronovsMarathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic

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

Khaki Field Auto Chrono
HamiltonKhaki Field Auto Chrono
MSRP $2,175
JDD (Jumbo Day/Date) Anthracite Diver's Automatic
MarathonJDD (Jumbo Day/Date) Anthracite Diver's Automatic
MSRP $3,250

At a glance

11 of 29 specs differ
Diameter
Khaki Field Auto Chrono42mm
JDD (Jumbo Day/Date) Anthracite Diver's Automatic46mm
Power Reserve
Khaki Field Auto Chrono60h
JDD (Jumbo Day/Date) Anthracite Diver's Automatic40h
Water Resistance
Khaki Field Auto Chrono100m
JDD (Jumbo Day/Date) Anthracite Diver's Automatic300m
MSRP
Khaki Field Auto Chrono$2,175
JDD (Jumbo Day/Date) Anthracite Diver's Automatic$3,250

Full specifications

Case

7 specs
Category
Chronograph
Diver
Diameter
42mm
46mm
Thickness
14.5mm
18mm
Lug-to-Lug
46mm
55mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel (Anthracite IP)
Water Resistance
100m
300m

Crystal & Dial

1 specs
Dial Color
Black
Anthracite

Movement

2 specs
Caliber
H-21
Sellita SW220-1
Power Reserve
60h
40h

Pricing

1 specs
MSRP
$2,175
$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.

Hamilton Khaki Field Auto Chrono

The Hamilton Khaki Field Auto Chrono is widely praised for its retro military design, value proposition, and reliable ETA movement. Reviewers highlight its 42mm steel case, 100m water resistance, and the H-21 automatic movement offering a 60-hour power reserve. One editorial review notes the unusual dial layout omits a running seconds indicator for symmetry, featuring day and date windows instead. The case is described as black PVD-treated stainless steel with a brushed finish and polished bezel, complemented by a black-on-black dial with dark grey Super-LumiNova and polished Arabic numerals. Overall, owners and reviewers consider the Hamilton Khaki Field Auto Chrono a well-designed tactical sports watch offering a strong combination of style and value.

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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