Side by side

Hamilton Khaki Field Auto ChronovsSeiko Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition

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

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.

Seiko Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition

Owners and reviewers widely praise the Seiko Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition for its attractive vintage-inspired aesthetics, functional solar dials, and wearable proportions, with some noting the chronograph pushers are a joy to operate. The domed sapphire crystal is a recurring positive, as is the overall value proposition at its price point, with specific models highlighted for their neo-vintage Daytona flair and Pogue-inspired colorways. However, several sources point to a limited bracelet clasp with only two micro-adjustments and a small, hard-to-read date window as drawbacks. Some owners also note internal reflections on the domed sapphire crystal and occasional slight misalignment of the chronograph seconds hand at zero. On balance, owners and reviewers rate the Seiko Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition highly for its compelling retro design and modern solar functionality at an accessible price.

At a glance

11 of 29 specs differ
Diameter
Khaki Field Auto Chrono42mm
Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition39mm
Power Reserve
Khaki Field Auto Chrono60h
Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition
Water Resistance
Khaki Field Auto Chrono100m
Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition100m
MSRP
Khaki Field Auto Chrono$2,175
Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition$700

Full specifications

Case

3 specs
Diameter
42mm
39mm
Thickness
14.5mm
13.3mm
Lug-to-Lug
0mm
45.5mm

Crystal & Dial

4 specs
Crystal Shape
Curved
AR Coating
Anti-reflective coating on inner surface
Dial Color
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
H-21
V192
Type
Automatic
Quartz
Power Reserve
60h
0h

Pricing

1 specs
MSRP
$2,175
$700
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.

Follow this matchup

Get a note when Hamilton Khaki Field Auto Chrono vs Seiko Prospex SPEEDTIMER SPEEDTIMER Solar Chronograph Limited Edition gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.