Side by side

Longines HYDROCONQUEST GMTvsZelos Spearfish 3

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

HYDROCONQUEST GMT
LonginesHYDROCONQUEST GMT
MSRP $3,350
Spearfish 3
ZelosSpearfish 3
MSRP $749

At a glance

10 of 29 specs differ
Diameter
HYDROCONQUEST GMT43mm
Spearfish 340mm
Power Reserve
HYDROCONQUEST GMT72h
Spearfish 340h
Water Resistance
HYDROCONQUEST GMT300m
Spearfish 3200m
MSRP
HYDROCONQUEST GMT$3,350
Spearfish 3$749

Full specifications

Case

6 specs
Diameter
43mm
40mm
Thickness
12.9mm
11.5mm
Lug-to-Lug
52mm
40mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

1 specs
Dial Color
Green
Diver - Forged Carbon

Movement

2 specs
Caliber
L844.5
La Joux-Perret G100
Power Reserve
72h
40h

Pricing

1 specs
MSRP
$3,350
$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.

Longines HYDROCONQUEST GMT

The Longines HYDROCONQUEST GMT is widely praised for its excellent finishing, with some comparing it favorably to higher-end dive watches, and its attractive blue sunburst dial. Owners note its practical true GMT complication and robust 41mm brushed case with ceramic bezel, powered by a movement offering a 72-hour power reserve. Some in the community find the round markers at 6 and 9 disrupt dial symmetry, though others appreciate this design element. A common criticism is the difficulty in reading the tiny GMT text beneath the hour markers, and the absence of a quick date adjust feature. One owner reported a sharp feeling on the bracelet's clasp, and another flagged mismatched date wheel colors on certain dial variants. Overall, owners and reviewers consider the Longines HYDROCONQUEST GMT a strong value proposition for a traveler's dive watch, citing its build quality and GMT functionality as key strengths.

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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