Phoibos LeviathanvsRevelot Hexmariner 39 Storm Steel

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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.

Leviathan

Hexmariner 39 Storm Steel
Diameter
40mm
39mm
Lug-to-Lug
48mm
n/a
Thickness
13mm
n/a
Water Resistance
200m
n/a
MSRP
$399
$365
lowest
Movement
Seiko NH35
Seiko NH35
Case
6 specsCrystal & Dial
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Phoibos Leviathan is widely praised for its superb case finishing, generous lume, and original design elements, offering excellent value. Owners consistently highlight the quality of the bracelet, including its milled clasp with quick adjustments and on-the-fly microadjustment on newer models, and the visually striking, legible dials. Some owners find the watch heavy and large, with one suggesting a smaller 37mm or 38mm case size would be ideal, and others note the stock rubber strap can be thick and sticky. Accuracy varies, with some reporting it keeps accurate time out of the box, while others note a loss of 5-10 seconds per day without a winder. The bezel's jimping is also flagged as potentially causing fingers to slip. On balance, owners rate the Phoibos Leviathan highly for its robust build, excellent finishing, and desirable features at an accessible price point.
The case finishing and bezel action are praised. The bracelet, particularly the clasp, is identified as an area for improvement. Reviewers are split on the watch's wrist presence, with some noting its improved 40mm size and others describing it as having a "beast"-like presence.
Revelot Hexmariner 39 Storm Steel owners widely praise its textured dial, hexagonal applied indices, and the case and bracelet chamfering. The 39mm case is noted for its satisfying weight and unique design, complemented by a glide lock clasp. The Seiko NH35 movement performs as expected, and the watch features sapphire crystal front and back. However, one owner found the bracelet disappointing, suggesting it is an area where costs were cut. Overall, owners rate the Revelot Hexmariner 39 Storm Steel highly for its distinctive design and finishing at the price.
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