Side by side

Hamilton Jazzmaster Auto ChronovsZelos Aurora Moonphase

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

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 Chrono

Owners widely praise the Hamilton Jazzmaster Auto Chrono for its value and dressy yet substantial look. The H-31 or adapted 7753 movement is noted, alongside a 60-hour power reserve. Some owners prefer a 3-6-9 subdial layout or a smaller case size, and the movement's thickness makes it unsuitable for those seeking a slim watch. On balance, owners rate the Hamilton Jazzmaster Auto Chrono highly for its value and refined aesthetic.

Zelos Aurora Moonphase

Owners widely praise Zelos for offering excellent value, solid build quality, and enthusiast-friendly designs, with unique dial variants often selling out quickly. The Zelos Aurora Moonphase is noted as a desirable model, though finding one can be challenging. Some owners find Zelos's designs, including those of the Aurora line, to be too flashy for everyday wear, preferring a more subdued aesthetic. One owner reported their Zelos Aurora Nebula 38mm running at -5.3 seconds per day. Overall, owners rate the Zelos Aurora Moonphase highly for its desirable microbrand status and unique dial appeal.

At a glance

11 of 29 specs differ
Diameter
Jazzmaster Auto Chrono42mm
Aurora Moonphase39mm
Power Reserve
Jazzmaster Auto Chrono60h
Aurora Moonphase
Water Resistance
Jazzmaster Auto Chrono100m
Aurora Moonphase200m
MSRP
Jazzmaster Auto Chrono$2,095
Aurora Moonphase$949

Full specifications

Case

7 specs
Category
Chronograph
Moonphase
Diameter
42mm
39mm
Thickness
15.23mm
12.5mm
Lug-to-Lug
0mm
39mm
Lug Width
22mm
20mm
Material
Stainless Steel
Titanium
Water Resistance
100m
200m

Crystal & Dial

1 specs
Dial Color
Black
Meteorite

Movement

2 specs
Caliber
H-21
Sellita SW288
Power Reserve
60h
0h

Pricing

1 specs
MSRP
$2,095
$949
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