Spinnaker Dumas AutomaticvsLongines HYDROCONQUEST GMT

lug2lug doesn't sell watches. Buy links open the brand's or seller's own site. Some links are affiliate links: lug2lug may earn a commission at no extra cost to you. Disclosures
Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Dumas Automatic

HYDROCONQUEST GMT
Diameter
44mm
43mm
Lug-to-Lug
48mm
lowest
52mm
Thickness
15mm
12.9mm
lowest
Water Resistance
300m
300m
Power Reserve
n/a
72h
MSRP
$239
lowest
$3,350
Movement
Seiko NH35
L844.5
Case
4 specsCrystal & Dial
1 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Spinnaker Dumas Automatic for its robust build quality, attractive textured blue dial, and excellent finishing for its price point. The watch is noted for its comfortable wearability, attributed to a short lug-to-lug distance, and owners report positive experiences with the Seiko NH35 movement. Some owners mention a mineral crystal instead of sapphire, a bracelet with a learning curve, and a crown that feels slightly small. Overall, owners rate the Spinnaker Dumas Automatic highly for its aesthetic appeal and solid construction at a fair price.
The Longines HYDROCONQUEST GMT is widely praised for its excellent finishing, with one owner comparing it to a Submariner, and its classy blue sunburst dial. Some owners find the round markers at 6 and 9 disrupt dial symmetry, while others appreciate this design as a unique feature. The watch is considered a practical combination for travelers and divers, offering good value compared to pricier alternatives. Minor criticisms include the tiny GMT text beneath the hour markers being difficult to read at a glance, no quick date adjust feature, a mismatched date wheel color on some dial variants, and a sharp feeling on the bracelet's clasp. Overall, owners rate the Longines HYDROCONQUEST GMT highly for its robust build and practical GMT functionality at its price point.
The exclusive traveler's GMT movement is a significant strength. Reviewers noted the value proposition rivals higher-priced competitors. Areas for improvement were mentioned but not detailed.
Similar watches
Matched to the watches above on size, movement, style and price, microbrands first. Open any one to dig in.
Also compared
Comparisons nearby in the catalog: alternatives to the watches above paired against the matchup.









