Side by side

Phoibos LeviathanvsSeiko Prospex Sea PADI Special Edition

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

Leviathan
PhoibosLeviathan
MSRP $399
Prospex Sea PADI Special Edition
SeikoProspex Sea PADI Special Edition
MSRP $650

At a glance

10 of 29 specs differ
Diameter
Leviathan40mm
Prospex Sea PADI Special Edition41.7mm
Power Reserve
Leviathan40h
Prospex Sea PADI Special Edition41h
Water Resistance
Leviathan200m
Prospex Sea PADI Special Edition200m
MSRP
Leviathan$399
Prospex Sea PADI Special Edition$650

Full specifications

Case

3 specs
Diameter
40mm
41.7mm
Thickness
13mm
12.3mm
Lug-to-Lug
48mm
49.5mm

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
AR Coating
Yes
Inner
Lume
Super-LumiNova
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
SII NH35
4R35
Power Reserve
40h
41h
Jewels
25
23

Pricing

1 specs
MSRP
$399
$650

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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.

Seiko Prospex Sea PADI Special Edition

The Seiko Prospex Sea PADI Special Edition is widely praised for its attractive blue and red PADI colors, rich dial aesthetic, and excellent lume that stands out even in dim environments. Owners highlight its robust build quality and excellent bezel action, noting the wave dial is a favorite. However, the Hardlex crystal and the 4R36 movement's accuracy range of +45 to -35 seconds per day are identified as compromises for the price. Some owners find the diver's extension difficult to open and the bracelet adjustment challenging, though manageable. On balance, owners and reviewers rate the Seiko Prospex Sea PADI Special Edition highly for its build quality and striking dial design at its price point.

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