Formex Field AutomaticvsHamilton Khaki Field Expedition Auto

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Formex Field Automatic at true scale

Field Automatic

Hamilton Khaki Field Expedition Auto at true scale

Khaki Field Expedition Auto

Diameter

40mm

37mm

Lug-to-Lug

46.6mm

n/a

Thickness

10.6mm

lowest

11.4mm

Water Resistance

150m

highest

100m

Power Reserve

41h

80h

highest

MSRP

$881

lowest

$1,245

Movement

Sellita SW200-1

Hamilton H-10

Case

5 specs
Diameter
40mm
37mm
Thickness
10.6mm
11.45mm
Lug-to-Lug
46.6mm
n/a
Material
Titanium
Stainless Steel
Water Resistance
150m
100m

Crystal & Dial

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

Movement

2 specs
Caliber
Sellita SW200-1
Hamilton H-10
Power Reserve
41h
80h

Pricing

1 specs
MSRP
$881
$1,245
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Reviews

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

Formex Field Automatic

The Formex Field Automatic is widely praised for its durable, scratch-resistant Grade 2 titanium case with a hardening treatment, offering robust and lightweight wearability. Owners and reviewers highlight the upmarket feel and legibility of its complex dials, the comfort provided by quick-release straps and carbon clasps, and the value it presents under $1000. The Sellita SW200-1 movement is considered a practical choice, with one owner reporting accuracy of +1 second per day. Some find the numeral typography less appealing, and one reviewer notes the lume application is thin and not long-lasting. The watch is priced at $870 or £695. On balance, owners and reviewers rate the Formex Field Automatic highly for its comfortable, lightweight titanium construction and well-executed, legible dials at its price point.

From video reviewers

The titanium case construction and the sandwich dial are consistently praised. Reviewers noted a perceived "corner cut" and questioned the value at its price point.

Hamilton Khaki Field Expedition Auto

Owners widely praise the Hamilton Khaki Field Expedition Auto for its robust build, clear legibility, and versatility as a "Go Anywhere, Do Anything" watch, with many appreciating its historical connection and value as an entry-level automatic. Reviewers highlight its superb value, comfortable wearability in both 37mm and 41mm sizes, and the reliable H-10 automatic movement with an 80-hour power reserve. Some owners note water ingress issues with the non-screw-down crown, while others find the watch reliable for daily wear. The compass bezel's practical utility for navigation is questioned, but it adds to the watch's tool-like appeal. Overall, owners and reviewers rate the Hamilton Khaki Field Expedition Auto highly for its robust build and value as a versatile field/sports watch.

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