Side by side

Hamilton Khaki Field Day Date AutovsZelos Helica Moonphase

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

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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.

Hamilton Khaki Field Day Date Auto

Owners widely praise the Hamilton Khaki Field Day Date Auto for its robust build, clear dial legibility, and versatility as a "go anywhere, do anything" watch, connecting them to a classic aesthetic and historical significance. Reviewers and owners alike highlight its value, with some noting the 80-hour power reserve from the H10 movement and 100m water resistance. However, some owners find its lume intensity and longevity inexcusable, and a common criticism of Hamilton watches is the lack of AR coating on the crystal. The bracelet finish and overall appearance are points of contention, with some considering it plain or overrated while others praise its finishing and attractive PVD. Accuracy ranges from excellent to simply "ok," with no consensus on movement quality. Overall, owners and reviewers rate the Hamilton Khaki Field Day Date Auto highly for its classic aesthetic, robust build, and value as an entry-level automatic field watch.

From video reviewers

The 80-hour power reserve from the H-40 movement is a significant strength. The 50-meter water resistance is considered limited for a field watch. Reviewers disagreed on the bracelet quality, with one noting rattle and another not mentioning it.

Zelos Helica Moonphase

Owners widely praise the Zelos Helica Moonphase for its gorgeous aventurine dial, unique industrial-dress aesthetic, and comfortable wearability, with one owner calling it spectacular and another their favorite Zelos. The moonphase complication is frequently highlighted as beautiful, though some find the double moon distracting or the dial cluttered. A manual-wind movement combined with a screw-down crown is noted as a drawback by some, requiring adjustment and potentially feeling fragile when fully wound, while one owner reports a 43-hour power reserve. On balance, owners rate the Zelos Helica Moonphase highly for its stunning aventurine dial and unique design at its price point.

From video reviewers

The aventurine dial is a standout feature. The 39mm case size and short lug-to-lug are praised for comfortable wear. Reviewers did not agree on any specific weaknesses.

At a glance

10 of 29 specs differ
Diameter
Khaki Field Day Date Auto42mm
Helica Moonphase39mm
Power Reserve
Khaki Field Day Date Auto80h
Helica Moonphase
Water Resistance
Khaki Field Day Date Auto50m
Helica Moonphase100m
MSRP
Khaki Field Day Date Auto$895
Helica Moonphase$1,049

Full specifications

Case

6 specs
Category
Field
Moonphase
Diameter
42mm
39mm
Thickness
11.2mm
10mm
Lug-to-Lug
0mm
39mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
100m

Crystal & Dial

1 specs
Dial Color
Black
Meteorite

Movement

2 specs
Caliber
Hamilton H-30
Sellita SW288-1
Power Reserve
80h
0h

Pricing

1 specs
MSRP
$895
$1,049
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