MKII Project 300vsLongines 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.
Project 300
HydroConquest GMT
Diameter
41.3mm
41mm
Lug-to-Lug
48mm
lowest
49.4mm
Thickness
13.4mm
12.9mm
lowest
Water Resistance
300m
300m
MSRP
$1,995
lowest
$3,350
Movement
ETA 2824-2
L844.5
Case
5 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 MKII Project 300 for its balanced design, with one owner noting its lume "glows like a torch." Reviewers highlight its high legibility and bold, balanced aesthetic, inspired by classic dive watches. One owner found the 41.25mm case fit their wrist perfectly. Overall, owners and reviewers rate the MKII Project 300 highly for its exceptional lume and well-proportioned dive watch design.
The 39.5mm case size fits most wrists well. The watch offers 200M water resistance. Reviewers did not reach a consensus on any weaknesses or points of disagreement.
Owners widely praise the Longines HYDROCONQUEST GMT for its excellent finishing, robust build quality, and comfortable wearability, with some finding its finish superior to higher-priced competitors. The smooth winding action and value proposition are also frequently highlighted. Some owners note that the GMT hour markers are difficult to read, and the date wheel does not always match the dial color. A few reviewers mention a sharp folding clasp and a bezel with bounce-back, while others prefer a smaller case size. Overall, owners and reviewers rate the Longines HYDROCONQUEST GMT highly for its impressive build quality and value as a travel-oriented dive watch.
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