Side by side

Hamilton American Classic Intra-Matic Auto ChronovsZelos Aurora Moonphase

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

Aurora Moonphase
ZelosAurora Moonphase
MSRP $949

At a glance

10 of 29 specs differ
Diameter
American Classic Intra-Matic Auto Chrono40mm
Aurora Moonphase39mm
Power Reserve
American Classic Intra-Matic Auto Chrono60h
Aurora Moonphase40h
Water Resistance
American Classic Intra-Matic Auto Chrono100m
Aurora Moonphase200m
MSRP
American Classic Intra-Matic Auto Chrono$2,645
Aurora Moonphase$949

Full specifications

Case

6 specs
Category
Chronograph
Moonphase
Diameter
40mm
39mm
Thickness
14.45mm
12.5mm
Lug-to-Lug
46mm
39mm
Material
Stainless Steel
Titanium
Water Resistance
100m
200m

Crystal & Dial

1 specs
Dial Color
White
Meteorite

Movement

2 specs
Caliber
H-31
Sellita SW288
Power Reserve
60h
40h

Pricing

1 specs
MSRP
$2,645
$949

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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 American Classic Intra-Matic Auto Chrono

Owners widely praise the Hamilton American Classic Intra-Matic Auto Chrono for its historically significant retro design, clean panda dial, and value, with many noting its comfortable wearability and how it garners compliments. Reviewers and owners alike highlight its attractive dial with well-placed sub-registers and polished indices, evoking a vintage charm. Some owners find the 14mm+ case thickness substantial, though others note it wears smaller than expected and fits under shirt cuffs. The H-31 movement's rotor is described as spinny by one owner, and accuracy figures range from +3 to +8 seconds per day, with one owner noting the OEM strap is utilitarian. On balance, owners and reviewers rate the Hamilton American Classic Intra-Matic Auto Chrono highly for its vintage aesthetic and value proposition.

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.

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