Side by side

Hamilton Jazzmaster 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 Auto

The Hamilton Jazzmaster Auto is widely praised for its excellent value, clean and uncomplicated design suitable for various occasions, and comfortable wearability, with a 40mm or 42mm case size that is considered unobtrusive. Reviewers highlight its refined H-21 movement, which offers a 60-hour power reserve, and distinctive sunray dials. Overall, owners and reviewers rate the Hamilton Jazzmaster Auto highly for its impressive balance of contemporary style and traditional watchmaking at its price point.

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 Auto36mm
Helica Moonphase39mm
Power Reserve
Jazzmaster Auto80h
Helica Moonphase
Water Resistance
Jazzmaster Auto50m
Helica Moonphase100m
MSRP
Jazzmaster Auto$1,125
Helica Moonphase$1,049

Full specifications

Case

6 specs
Category
Dress
Moonphase
Diameter
36mm
39mm
Lug-to-Lug
0mm
39mm
Lug Width
18mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
100m

Crystal & Dial

1 specs
Dial Color
Black
Meteorite

Movement

2 specs
Caliber
Hamilton H-10
Sellita SW288-1
Power Reserve
80h
0h

Pricing

1 specs
MSRP
$1,125
$1,049
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