Side by side

Hamilton American Classic Intra-Matic Auto ChronovsZelos Spearfish GMT

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

Spearfish GMT
ZelosSpearfish GMT
MSRP $999

At a glance

9 of 29 specs differ
Diameter
American Classic Intra-Matic Auto Chrono40mm
Spearfish GMT40mm
Power Reserve
American Classic Intra-Matic Auto Chrono60h
Spearfish GMT40h
Water Resistance
American Classic Intra-Matic Auto Chrono100m
Spearfish GMT200m
MSRP
American Classic Intra-Matic Auto Chrono$2,645
Spearfish GMT$999

Full specifications

Case

5 specs
Category
Chronograph
GMT
Thickness
14.45mm
13mm
Lug-to-Lug
46mm
40mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

1 specs
Dial Color
White
Frost

Movement

2 specs
Caliber
H-31
Sellita SW330-2
Power Reserve
60h
40h

Pricing

1 specs
MSRP
$2,645
$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 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 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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