Longines HydroConquest GMTvsZelos Helmsman 2 300m

Helmsman 2 300m
ZelosHelmsman 2 300m

Ref. helmsman-2-300m-steel-black·MSRP $649

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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.

Longines HydroConquest GMT at true scale

HydroConquest GMT

Zelos Helmsman 2 300m at true scale

Helmsman 2 300m

Diameter

43mm

42mm

Lug-to-Lug

52mm

48mm

lowest

Thickness

12.9mm

n/a

Water Resistance

300m

300m

Power Reserve

72h

n/a

MSRP

$3,350

$649

lowest

Movement

L844.5

Seiko NH35

Case

3 specs
Diameter
43mm
42mm
Thickness
12.9mm
n/a
Lug-to-Lug
52mm
48mm

Crystal & Dial

1 specs
Dial Color
Green
n/a

Movement

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

Pricing

1 specs
MSRP
$3,350
$649
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Reviews

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 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.

Zelos Helmsman 2 300m

The Zelos Helmsman 2 300m is praised for its aesthetically pleasing design, with one owner finding the titanium dial looks amazing in sunlight and considering the watch a keeper. It features a twin-crown design reminiscent of 1960s dive watches, with a CNC machined, sandblasted, and polished case, and is powered by the Seiko NH35 automatic movement. Some owners note the watch can feel top-heavy with sharp edges. One owner wishes changing the date was easier, as there is no midpoint in the crown, requiring the user to advance the date 22 days forward. Overall, owners rate the Zelos Helmsman 2 300m positively for its striking titanium dial and classic dive watch aesthetic.