Side by side

Phoibos LeviathanvsSugess Seestern S434 Pro Diver

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

Leviathan
PhoibosLeviathan
MSRP $309
Seestern S434 Pro Diver
SugessSeestern S434 Pro Diver
MSRP $249

At a glance

14 of 29 specs differ
Diameter
Leviathan45mm
Seestern S434 Pro Diver40mm
Power Reserve
Leviathan40h
Seestern S434 Pro Diver40h
Water Resistance
Leviathan500m
Seestern S434 Pro Diver200m
MSRP
Leviathan$309
Seestern S434 Pro Diver$249

Full specifications

Case

7 specs
Diameter
45mm
40mm
Thickness
15.5mm
12mm
Lug-to-Lug
54mm
46mm
Lug Width
22mm
20mm
Material
Stainless Steel
Stainless Steel/Rose Gold
Water Resistance
500m
200m
Caseback
Solid
Engraved

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Blue
2 Salmon
Lume
Super-LumiNova
Super-LumiNova BGW9

Movement

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

Pricing

1 specs
MSRP
$309
$249

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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 S434 Pro Diver

Owners widely praise the Sugess Seestern S434 Pro Diver for its impressive finishing and craftsmanship at its price point, highlighting the applied indices that play with light, excellent BGW9 lume, and attractive color options. Specific positive notes include the domed sapphire crystal, short lug-to-lug, and on-the-fly clasp adjustment. However, some owners report quality control issues such as misaligned bezels or indices, while others with V2 models experience no such problems. Caveats include slight bezel back play, light AR coating on the crystal, and a clasp that could be smoother, with one owner desiring a color-matched date wheel. On balance, owners rate the Sugess Seestern S434 Pro Diver highly for its exceptional value and build quality, particularly the dial finishing and lume.

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