Side by side

Longines HYDROCONQUEST GMTvsYema Navygraf Marine Nationale Quartz

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

HYDROCONQUEST GMT
LonginesHYDROCONQUEST GMT
MSRP $3,350
Navygraf Marine Nationale Quartz
YemaNavygraf Marine Nationale Quartz
MSRP $499

At a glance

10 of 29 specs differ
Diameter
HYDROCONQUEST GMT41mm
Navygraf Marine Nationale Quartz39mm
Power Reserve
HYDROCONQUEST GMT40h
Navygraf Marine Nationale Quartz40h
Water Resistance
HYDROCONQUEST GMT300m
Navygraf Marine Nationale Quartz100m
MSRP
HYDROCONQUEST GMT$3,350
Navygraf Marine Nationale Quartz$499

Full specifications

Case

6 specs
Diameter
41mm
39mm
Thickness
12.9mm
11mm
Lug-to-Lug
49.4mm
Lug Width
21mm
19mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

1 specs
Dial Color
Green
Standard

Movement

2 specs
Caliber
L844.5
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$3,350
$499

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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.

Yema Navygraf Marine Nationale Quartz

Owners praise the Yema Navygraf Marine Nationale Quartz for its well-made case, clean legible dial, and comfortable 39mm size, with one noting its thin profile for 300m water resistance. Accuracy figures vary, with one owner reporting +6 seconds per day and another seeing it keep within COSC time. Minor criticisms include a steel bracelet with a slight rattle and sharp edges, bent bracelet pins, and in one instance, crooked dial printing. On balance, owners find the Yema Navygraf Marine Nationale Quartz offers good value and wearability, with its French design and thinner case being key highlights.

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