Side by side

Hamilton Jazzmaster Thinline AutovsZelos Spearfish GMT

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

Jazzmaster Thinline Auto
HamiltonJazzmaster Thinline Auto
MSRP $1,145
Spearfish GMT
ZelosSpearfish GMT
MSRP $999

At a glance

9 of 29 specs differ
Diameter
Jazzmaster Thinline Auto40mm
Spearfish GMT40mm
Power Reserve
Jazzmaster Thinline Auto42h
Spearfish GMT40h
Water Resistance
Jazzmaster Thinline Auto50m
Spearfish GMT200m
MSRP
Jazzmaster Thinline Auto$1,145
Spearfish GMT$999

Full specifications

Case

5 specs
Category
Dress
GMT
Thickness
8.45mm
13mm
Lug-to-Lug
46mm
40mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
200m

Crystal & Dial

1 specs
Dial Color
Beige
Frost

Movement

2 specs
Caliber
2892-A2
Sellita SW330-2
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$1,145
$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 Jazzmaster Thinline Auto

Owners widely praise the Hamilton Jazzmaster Thinline Auto for its gorgeous, stunning, and captivating dials, particularly the champagne and burgundy variants, and its thin, comfortable profile, often noted at around 7mm to 8.4mm, making it ideal for wearability under shirt cuffs. The ETA 2892 movement is considered a strong value, though some owners report the rotor can be noisy and the winding feel unrefined, while others find the small crown difficult to manipulate. The absence of a second hand is polarizing, with some appreciating the simplicity and ease of setting, while others miss its presence. Overall, owners rate the Hamilton Jazzmaster Thinline Auto highly for its attractive, thin design and dial beauty at its price point.

From video reviewers

The slim case profile and affordable price point are consistently praised. Reviewers noted the absence of a second hand.

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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