Side by side

Hamilton Jazzmaster Viewmatic AutovsLongines HYDROCONQUEST GMT

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

Jazzmaster Viewmatic Auto
HamiltonJazzmaster Viewmatic Auto
MSRP $995
HYDROCONQUEST GMT
LonginesHYDROCONQUEST GMT
MSRP $3,350

At a glance

10 of 29 specs differ
Diameter
Jazzmaster Viewmatic Auto40mm
HYDROCONQUEST GMT41mm
Power Reserve
Jazzmaster Viewmatic Auto80h
HYDROCONQUEST GMT40h
Water Resistance
Jazzmaster Viewmatic Auto50m
HYDROCONQUEST GMT300m
MSRP
Jazzmaster Viewmatic Auto$995
HYDROCONQUEST GMT$3,350

Full specifications

Case

6 specs
Category
Dress
Diver
Diameter
40mm
41mm
Thickness
10.8mm
12.9mm
Lug-to-Lug
46mm
49.4mm
Lug Width
20mm
21mm
Water Resistance
50m
300m

Crystal & Dial

1 specs
Dial Color
Black
Green

Movement

2 specs
Caliber
H-10
L844.5
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$995
$3,350

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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 Viewmatic Auto

Owners widely praise the Hamilton Jazzmaster Viewmatic Auto for its classic yet modern aesthetic, comfortable 37mm size suitable for smaller wrists, and superb case finishing for the price. The textured silver dial and subtle blue hands are noted as appealing details, and the watch is seen as versatile for both casual and formal wear. Accuracy is reported as impressive, with some owners observing deviations of only 1-2 seconds per day. One owner noted a discrepancy in the stated case thickness, with Hamilton listing 10.10mm. On balance, owners rate the Hamilton Jazzmaster Viewmatic Auto highly for its excellent value and versatile, classic design.

Longines HYDROCONQUEST GMT

Owners widely praise the Longines HYDROCONQUEST GMT for its excellent finishing, smooth winding action, and overall value, with some finding its build quality and colorways superior to higher-priced competitors. Reviewers and owners alike note its robustness as a traveler's dive watch with a true GMT movement. Some owners find the round markers at 6 and 9 disrupt dial symmetry, and the GMT hour markers are described as tiny and difficult to read. The date wheel can be mismatched on certain dial colors, and the bracelet clasp is noted as sharp by one reviewer. While some owners wish for a smaller case size, others find the 41mm comfortable. The bezel action is flagged as having bounce-back by one owner, though the brushed finish effectively hides wear. Overall, owners and reviewers rate the Longines HYDROCONQUEST GMT highly for its robust build and excellent value proposition.

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