Side by side

Hamilton American Classic Day Date AutovsZelos Spearfish GMT

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

American Classic Day Date Auto
HamiltonAmerican Classic Day Date Auto
MSRP $1,245
Spearfish GMT
ZelosSpearfish GMT
MSRP $999

At a glance

11 of 29 specs differ
Diameter
American Classic Day Date Auto42mm
Spearfish GMT40mm
Power Reserve
American Classic Day Date Auto80h
Spearfish GMT40h
Water Resistance
American Classic Day Date Auto50m
Spearfish GMT200m
MSRP
American Classic Day Date Auto$1,245
Spearfish GMT$999

Full specifications

Case

7 specs
Category
Dress
GMT
Diameter
42mm
40mm
Thickness
11.55mm
13mm
Lug-to-Lug
46mm
40mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
200m

Crystal & Dial

1 specs
Dial Color
Grey
Frost

Movement

2 specs
Caliber
H-30
Sellita SW330-2
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$1,245
$999

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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 Day Date Auto

Owners widely praise the Hamilton American Classic Day Date Auto for its legible dial, well-integrated day-date complication, and vintage military aesthetic. The 40mm to 42mm case is noted to wear smaller than its dimensions suggest, and the complication is considered well-executed for its price point. However, the lume is criticized for poor intensity and longevity, and the mirror-polished bezel is flagged as a scratch magnet. The stock leather strap is also described as stiff. Overall, owners rate the Hamilton American Classic Day Date Auto highly for its attractive vintage styling and functional day-date complication at an accessible price.

Zelos Spearfish GMT

The Zelos Spearfish GMT is widely praised for its exceptional value, with reviewers highlighting its superb finishing, flawless machining, and a tool-less micro-adjustment clasp that exceeds its price point. It features a La Joux-Perret G100 movement with a 68-hour power reserve, achieving an average accuracy of +2.6 seconds per day, or a Miyota 9075 movement offering flier-style GMT functionality. The 40mm case and bidirectional 48-click ceramic bezel are well-executed, though one reviewer noted a minor compromise in the end link fit. Overall, owners and reviewers rate the Zelos Spearfish GMT highly for its impressive finishing and value proposition.

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