Formex Field AutomaticvsSeiko DressKX

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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

Seiko DressKX at true scale

DressKX

Diameter

40mm

40mm

Lug-to-Lug

46.6mm

44.6mm

lowest

Thickness

10.6mm

lowest

11.5mm

Water Resistance

150m

highest

100m

Power Reserve

41h

41h

MSRP

$881

$315

lowest

Movement

Sellita SW200-1

Seiko 4R36

Case

5 specs
Category
Field
Sport
Thickness
10.6mm
11.5mm
Lug-to-Lug
46.6mm
44.6mm
Material
Titanium
Stainless Steel
Water Resistance
150m
100m

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
Ash Grey
n/a
Lume
Super-LumiNova
LumiBrite on hands and index(es)

Movement

2 specs
Caliber
Sellita SW200-1
Seiko 4R36
Jewels
0
24

Pricing

1 specs
MSRP
$881
$315
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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.

Seiko DressKX

Owners widely report the Seiko DressKX offers excellent value and a comfortable 22mm bracelet. Accuracy with the 4R36 movement is variable, with most owners experiencing +/-5 to 10 seconds per day, though the movement's official tolerance is +/-40 seconds per day. Some owners have noted component failures like bezel issues or misaligned parts, while others praise its accuracy. The Seiko DressKX is seen by some as a less serious tool watch than its predecessor due to the lack of a screw-down crown and ISO rating, though others prefer its modern features and warranty. Overall, owners rate the Seiko DressKX highly for its value and comfortable bracelet, despite variable accuracy.

From video reviewers

The clean dial and versatile dressy look are praised. The overall thickness and handset are points of contention.