Side by side

Hamilton American Classic Spirit of Liberty Auto ChronovsZelos Helica Moonphase

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

Helica Moonphase
ZelosHelica Moonphase
MSRP $1,049

At a glance

10 of 29 specs differ
Diameter
American Classic Spirit of Liberty Auto Chrono42mm
Helica Moonphase39mm
Power Reserve
American Classic Spirit of Liberty Auto Chrono40h
Helica Moonphase40h
Water Resistance
American Classic Spirit of Liberty Auto Chrono50m
Helica Moonphase100m
MSRP
American Classic Spirit of Liberty Auto Chrono$2,225
Helica Moonphase$1,049

Full specifications

Case

7 specs
Category
Chronograph
Moonphase
Diameter
42mm
39mm
Thickness
14.75mm
10mm
Lug-to-Lug
46mm
39mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
100m

Crystal & Dial

1 specs
Dial Color
Black
Meteorite

Movement

1 specs
Caliber
H-21
Sellita SW288 Moonphase

Pricing

1 specs
MSRP
$2,225
$1,049

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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 Spirit of Liberty Auto Chrono

Owners widely praise the Hamilton American Classic Spirit of Liberty Auto Chrono for its impressive craftsmanship, details, and overall finish, noting sharp edges on the mixed brushed and polished lugs that give it a premium look and a refined yet bold presence. The watch offers an improved 60-hour power reserve and increased precision. However, its pushers are noted as being chunky. On balance, owners rate the Hamilton American Classic Spirit of Liberty Auto Chrono highly for its premium finishing and refined presence on the wrist.

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.

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