Side by side

Longines HYDROCONQUEST GMTvsLongines LONGINES AVIGATION BIGEYE

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

HYDROCONQUEST GMT
LonginesHYDROCONQUEST GMT
MSRP $3,350
LONGINES AVIGATION BIGEYE
LonginesLONGINES AVIGATION BIGEYE
MSRP $4,400

At a glance

8 of 29 specs differ
Diameter
HYDROCONQUEST GMT41mm
LONGINES AVIGATION BIGEYE41mm
Power Reserve
HYDROCONQUEST GMT40h
LONGINES AVIGATION BIGEYE40h
Water Resistance
HYDROCONQUEST GMT300m
LONGINES AVIGATION BIGEYE30m
MSRP
HYDROCONQUEST GMT$3,350
LONGINES AVIGATION BIGEYE$4,400

Full specifications

Case

5 specs
Category
Diver
Chronograph
Thickness
12.9mm
14.5mm
Lug-to-Lug
49.4mm
48.7mm
Lug Width
21mm
20mm
Water Resistance
300m
30m

Crystal & Dial

1 specs
Dial Color
Green
Blue

Movement

1 specs
Caliber
L844.5
L688.5

Pricing

1 specs
MSRP
$3,350
$4,400

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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

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.

LONGINES AVIGATION BIGEYE

Owners and reviewers widely praise the Longines Avigation Bigeye for its unique, asymmetric dial, vintage military aesthetic, and cohesive design, with one reviewer noting its GPHG Best Revival prize win. The tactile chronograph pusher action and reliable L688.2 column wheel movement are highlighted, as is the watch's legibility and versatile strap-swapping potential due to its 20mm lug width. However, criticisms include the 30-minute sub-dial's three-minute hash marks, which some find compromise reading speed, and the lack of drilled lugs. The watch's thickness, around 14.45mm, is noted as typical for its movement, and some owners mention minor QC issues with chronograph hand alignment and a loud rotor. On balance, owners and reviewers rate the Longines Avigation Bigeye highly for its distinctive vintage-inspired design and solid chronograph performance at its price point.

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