Side by side

Phoibos LeviathanvsSugess Seestern S430 Titanium Diver

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

Leviathan
PhoibosLeviathan
MSRP $309
Seestern S430 Titanium Diver
SugessSeestern S430 Titanium Diver
MSRP $299

At a glance

12 of 29 specs differ
Diameter
Leviathan45mm
Seestern S430 Titanium Diver40mm
Power Reserve
Leviathan40h
Seestern S430 Titanium Diver40h
Water Resistance
Leviathan500m
Seestern S430 Titanium Diver200m
MSRP
Leviathan$309
Seestern S430 Titanium Diver$299

Full specifications

Case

6 specs
Diameter
45mm
40mm
Thickness
15.5mm
12.5mm
Lug-to-Lug
54mm
46mm
Lug Width
22mm
20mm
Material
Stainless Steel
Titanium
Water Resistance
500m
200m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Lume
Super-LumiNova
Tritium

Movement

3 specs
Caliber
NH 35
Seiko NH35
Beat Rate
28,800 vph
3 vph
Complications
None
GMT, Chronograph, Moonphase, Date

Pricing

1 specs
MSRP
$309
$299

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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 report the Phoibos Leviathan offers a vintage experience at an affordable price due to its proportions and conservative design. However, the watch is considered well-made and sturdy but quite heavy, with a 45mm x 54mm lug-to-lug case and a 15.5mm thickness, leading some owners to replace the stock band. On balance, owners rate the Phoibos Leviathan highly for its vintage feel and sturdy build at its price point.

From video reviewers

The watch features 500m water resistance and a Seiko NH35 automatic movement. The case size is a point of contention, with reviewers noting it is substantial and may overwhelm smaller wrists, while others highlight a 40mm case size as an improvement.

Sugess Seestern S430 Titanium Diver

Owners widely praise the Sugess Seestern S430 Titanium Diver for its genuine titanium construction, making it extremely light and comfortable at 92 grams on a 6.7-inch wrist. The ceramic bezel is described as fantastic and mesmerizing to use, and the brushed finishing is noted as nice. The watch features an NH38 movement, which is appreciated for its lack of ghost date functionality. However, some owners find the price comparable to competitors and have noted issues with the clasp's fit, with some finding the existing holes insufficient and the rotating arm needing to bend. The crown unscrewing is not smooth, and the bezel action is described as gritty with uneven resistance. One owner reported a crown tube failure on a V1 model. Overall, owners rate the Sugess Seestern S430 Titanium Diver highly for its lightweight titanium build and excellent ceramic bezel, despite some concerns regarding the clasp design.

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