Formex Field AutomaticvsHamilton Khaki Field 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 Auto at true scale

Khaki Field Auto

Diameter

40mm

38mm

Lug-to-Lug

46.6mm

lowest

47mm

Thickness

10.6mm

lowest

11mm

Water Resistance

150m

highest

100m

Power Reserve

41h

80h

highest

MSRP

$881

$845

lowest

Movement

Sellita SW200-1

Hamilton H-10

Case

5 specs
Diameter
40mm
38mm
Thickness
10.6mm
11mm
Lug-to-Lug
46.6mm
47mm
Material
Titanium
Stainless Steel
Water Resistance
150m
100m

Crystal & Dial

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

Movement

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

Pricing

1 specs
MSRP
$881
$845
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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 Auto

Owners widely praise the Hamilton Khaki Field Auto for its classic military design, legibility, and versatile modern-vintage aesthetic that can be dressed up or down. Reviewers and owners alike commend its reliable H-10 automatic movement for accuracy, with one owner reporting deviations of less than one second per day, and its advertised 80-hour power reserve. The 38mm case is noted for its perfect proportions and comfortable wearability, though some find the bracelet's micro-adjustments limited and the lack of AR coating on the crystal can cause glare. On balance, owners and reviewers rate the Hamilton Khaki Field Auto highly for its value and solid build as an entry-level automatic watch.

From video reviewers

The Hamilton Khaki Field Auto's smooth and precise bezel action is a standout feature. The watch's lume brightness is somewhat lacking, which might be a drawback for those who prefer a brighter glow in the dark. Reviewers disagree on the watch's size, with one reviewer finding the 38mm to be a pleasant surprise, while the watch is also available in 42mm.

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