Side by side

Seestern S450 Ocean StarvsSugess Seestern S434 Pro Diver

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

S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299
Seestern S434 Pro Diver
SugessSeestern S434 Pro Diver
MSRP $249

At a glance

12 of 29 specs differ
Diameter
S450 Ocean Star40mm
Seestern S434 Pro Diver40mm
Power Reserve
S450 Ocean Star41h
Seestern S434 Pro Diver40h
Water Resistance
S450 Ocean Star100m
Seestern S434 Pro Diver200m
MSRP
S450 Ocean Star$299
Seestern S434 Pro Diver$249

Full specifications

Case

4 specs
Lug-to-Lug
48mm
46mm
Material
316L Stainless Steel
Stainless Steel/Rose Gold
Water Resistance
100m
200m
Caseback
Solid
Engraved

Crystal & Dial

2 specs
Dial Color
White
2 Salmon
Lume
Tritium
Super-LumiNova BGW9

Movement

5 specs
Caliber
TMI NH35A
NH35
Beat Rate
21,600 vph
3 vph
Power Reserve
41h
40h
Jewels
24
25
Complications
GMT, Date
GMT, Chronograph, Moonphase, Date

Pricing

1 specs
MSRP
$299
$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.

Seestern S450 Ocean Star

Owners widely praise the Seestern S450 Ocean Star's Yachtmaster-style case and flawless bracelet finishing, with one owner noting the ST2130 movement keeps good time. The bezel action is described as having individual notches but feeling like a friction bezel, while another owner flags the bezel and crown action as smooth with perfect alignment. Lume is a point of contention, with one source describing it as a nice cool blue with ice-white application, while others note it as weak or not matching Prospex standards, despite using BGW-9. The watch is considered a "big boy" ideal for larger wrists (19cm+), potentially too large for 17cm wrists due to its size and non-tapering bracelet. Overall, owners rate the Seestern S450 Ocean Star highly for its build quality and finishing at the price point, despite some reservations about its size and lume intensity.

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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