Side by side

Hamilton American Classic Intra-Matic Auto ChronovsZelos Spearfish 3

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

Spearfish 3
ZelosSpearfish 3
MSRP $749

At a glance

9 of 29 specs differ
Diameter
American Classic Intra-Matic Auto Chrono40mm
Spearfish 340mm
Power Reserve
American Classic Intra-Matic Auto Chrono60h
Spearfish 340h
Water Resistance
American Classic Intra-Matic Auto Chrono100m
Spearfish 3200m
MSRP
American Classic Intra-Matic Auto Chrono$2,645
Spearfish 3$749

Full specifications

Case

5 specs
Category
Chronograph
Diver
Thickness
14.45mm
11.5mm
Lug-to-Lug
46mm
40mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
200m

Crystal & Dial

1 specs
Dial Color
White
Diver - Forged Carbon

Movement

2 specs
Caliber
H-31
La Joux-Perret G100
Power Reserve
60h
40h

Pricing

1 specs
MSRP
$2,645
$749

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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 3

The Zelos Spearfish 3 is widely praised for its exceptional finishing, with razor-sharp polish and flawless brushed transitions that owners feel exceed its price point. The 40mm case is noted for its wearability, and the La Joux-Perret G100 movement offers a 68-hour power reserve, with reported accuracy averaging +2.6 seconds per day. Reviewers highlight the exceptionally smooth bi-directional bezel and a tool-less micro-adjustment clasp described as best-in-class among microbrands. The sapphire sandwich construction and lumed bezel are also cited as desirable features. Overall, owners and reviewers rate the Zelos Spearfish 3 highly for its outstanding finishing and value at its price point.

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