Side by side

Formex Essence FortyOnevsHamilton Khaki Field King Auto

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

Essence FortyOne
FormexEssence FortyOne
MSRP $1,890
Khaki Field King Auto
HamiltonKhaki Field King Auto
MSRP $845

At a glance

11 of 29 specs differ
Diameter
Essence FortyOne41mm
Khaki Field King Auto40mm
Power Reserve
Essence FortyOne41h
Khaki Field King Auto80h
Water Resistance
Essence FortyOne100m
Khaki Field King Auto50m
MSRP
Essence FortyOne$1,890
Khaki Field King Auto$845

Full specifications

Case

6 specs
Category
Dress
Field
Diameter
41mm
40mm
Thickness
10.6mm
11.15mm
Lug-to-Lug
46.5mm
46mm
Lug Width
22mm
20mm
Water Resistance
100m
50m

Crystal & Dial

2 specs
Dial Color
Arctic White
Black
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Sellita SW200-1
H-40
Power Reserve
41h
80h

Pricing

1 specs
MSRP
$1,890
$845

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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.

Formex Essence FortyOne

Owners widely praise the Formex Essence for its comfortable bracelet, excellent finishing, and slim wearability, with some considering it the best in its price range. Reviewers highlight its compelling value, sporty-chic aesthetic, and build quality that suggests a more expensive product, noting the patented suspension system and chronometer-certified movement. Some owners dislike the brand name and logo, and the dial design is considered derivative by some. The 43mm case wears well due to its 10mm thickness and 49mm lug-to-lug, though some find it large on smaller wrists. A point of contention for some is the non-screw-down crown, despite its 100m water resistance. Overall, owners and reviewers rate the Formex Essence highly for its exceptional comfort and build quality at its price point.

Hamilton Khaki Field King Auto

Owners and reviewers widely praise the Hamilton Khaki Field King Auto for its 80-hour power reserve, hacking capability, and snappy day-date function, with accuracy figures ranging from +1 to +5 seconds per day. The watch is also noted for its legibility, attractive dial options, and 100m water resistance. Some owners find the stock strap stiff and the case finishing lacks fine detail, while others mention the lume is decent but fades significantly after about 30 minutes. The lack of an anti-reflective coating on the sapphire crystal is a recurring point, and the crown does not feel like it fully pushes in for some. On balance, owners and reviewers rate the Hamilton Khaki Field King Auto highly for its robust feature set and value, particularly its day-date complication and extended power reserve.

From video reviewers

The 80-hour power reserve from the H-40 movement is a significant advantage. The lack of AR coating on the sapphire crystal hinders legibility in direct light, and the 50-meter water resistance is limited for a field watch. Reviewers disagreed on the watch case geometry and ergonomics, with one noting it contributed to buyer's remorse and another suggesting it should offer a comfortable fit.

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