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Hamilton Jazzmaster 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 Jazzmaster Day Date Auto

Owners widely praise the Hamilton Jazzmaster Day Date Auto for its versatility as an everyday and business-casual timepiece. One owner specifically notes it felt the best on their wrist after trying multiple options. On balance, owners rate the Hamilton Jazzmaster Day Date Auto highly for its comfortable wearability and suitability for various occasions.

From video reviewers

The watch offers excellent build quality for its price point, with an 80-hour power reserve from the H-40 movement. The 50-meter water resistance is a limitation. Reviewers disagreed on the aesthetic appeal of the date window at 6 o'clock.

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
Jazzmaster Day Date Auto40mm
Helica Moonphase39mm
Power Reserve
Jazzmaster Day Date Auto80h
Helica Moonphase
Water Resistance
Jazzmaster Day Date Auto50m
Helica Moonphase100m
MSRP
Jazzmaster Day Date Auto$1,045
Helica Moonphase$1,049

Full specifications

Case

6 specs
Category
Dress
Moonphase
Diameter
40mm
39mm
Thickness
11.52mm
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-40
Sellita SW288-1
Power Reserve
80h
0h

Pricing

1 specs
MSRP
$1,045
$1,049
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