Spinnaker Dumas AutomaticvsLongines HYDROCONQUEST GMT

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Spinnaker Dumas Automatic at true scale

Dumas Automatic

Longines HYDROCONQUEST GMT at true scale

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 specs
Diameter
44mm
43mm
Thickness
15mm
12.9mm
Lug-to-Lug
48mm
52mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

1 specs
Dial Color
Blue
Green

Movement

2 specs
Caliber
Seiko NH35
L844.5
Power Reserve
0h
72h

Pricing

1 specs
MSRP
$239
$3,350
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Spinnaker Dumas Automatic

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.

Longines HYDROCONQUEST GMT

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.

From video reviewers

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.

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