Side by side

Phoibos LeviathanvsLongines HYDROCONQUEST

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Leviathan
PhoibosLeviathan
MSRP $399
HYDROCONQUEST
LonginesHYDROCONQUEST
MSRP $2,000

At a glance

20 of 29 specs differ
Diameter
Leviathan40mm
HYDROCONQUEST41mm
Power Reserve
Leviathan40h
HYDROCONQUEST72h
Water Resistance
Leviathan200m
HYDROCONQUEST300m
MSRP
Leviathan$399
HYDROCONQUEST$2,000

Full specifications

Case

8 specs
Diameter
40mm
41mm
Thickness
13mm
11.9mm
Lug-to-Lug
48mm
53.5mm
Lug Width
20mm
21mm
Material
Stainless Steel
Ceramic
Finish
Brushed and polished
Water Resistance
200m
300m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Yes
Dial Color
Black
Green
Indices
Applied
Lume
Super-LumiNova
None

Movement

6 specs
Caliber
SII NH35
L888.5
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
72h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$399
$2,000

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What people say

Owners + reviewers, side by side

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

Phoibos Leviathan

Owners widely praise the Phoibos Leviathan for its excellent value, superb case finishing, and generous lume. The watch is described as visually striking, legible, and well-made, with a unique case design, sapphire crystal, and a comfortable FKM strap or excellent bracelet with a milled clasp and quick adjustments. Some owners note the bezel's staggered jimping can cause fingers to slip, and the beveled crystal can distort the view of indices. Accuracy varies, with one owner reporting losing 5-10 seconds per day without a winder, while others state it keeps accurate time out of the box. The watch is frequently described as heavy and thick, with some owners finding it too large for wrists smaller than 7.5 inches, although newer models feature an improved clasp for better comfort and functionality. Overall, owners rate the Phoibos Leviathan highly for its striking design and impressive finishing at an accessible price point.

Longines HYDROCONQUEST

Owners widely praise the Longines Hydroconquest for its attractive sunburst blue dial and accurate timekeeping, with one owner reporting a loss of only 2 seconds per day. However, the bracelet is frequently criticized for lacking micro-adjustments and having pinch-prone links, and the screw-down crown is noted as inconvenient and difficult to operate by multiple owners. Some owners also flag the bezel action as ratchety with back play, and one owner found the lugs sharp and the overall design uncomfortable, leading them to sell the watch. On balance, owners appreciate the Longines Hydroconquest's aesthetic appeal and value, despite significant reservations about its bracelet and crown usability.

From video reviewers

The bezel action is praised for its smooth and precise rotation. Lume brightness is a shared weakness, found to be somewhat lacking. Reviewers disagreed on the watch's value proposition compared to alternatives.

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