Side by side

Phoibos LeviathanvsGrand Seiko SBGX353

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

Leviathan
PhoibosLeviathan
MSRP $399
SBGX353
Grand SeikoSBGX353
MSRP $4,100

At a glance

10 of 29 specs differ
Diameter
Leviathan40mm
SBGX35334mm
Power Reserve
Leviathan40h
SBGX35340h
Water Resistance
Leviathan200m
SBGX35330m
MSRP
Leviathan$399
SBGX353$4,100

Full specifications

Case

6 specs
Category
Diver
Dress
Diameter
40mm
34mm
Thickness
13mm
10.7mm
Lug-to-Lug
48mm
41.5mm
Lug Width
20mm
18mm
Water Resistance
200m
30m

Crystal & Dial

1 specs
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
SII NH35
9F61
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$399
$4,100

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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.

Grand Seiko SBGX353

The Grand Seiko SBGX353 is widely praised for its mesmerizing "Skyflake" textured blue dial, considered by owners to be "perfect art." Reviewers and owners alike highlight the watch's elegant 34mm case size and the advanced 9F61 quartz movement, noting its exceptional ±10 seconds per year accuracy and precise second-hand alignment. Some owners find the dial's aesthetic appeal slightly diminished when worn compared to other options, and one owner replaced the quick-release buckle for a Hirsch clasp. Overall, owners rate the Grand Seiko SBGX353 highly for its exquisite dial finishing and the precision of its quartz movement at its price point.

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