Side by side

Seestern S450 Ocean StarvsZelos Great White 43

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

S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299
Great White 43
ZelosGreat White 43
MSRP $599

At a glance

13 of 29 specs differ
Diameter
S450 Ocean Star40mm
Great White 4343mm
Power Reserve
S450 Ocean Star41h
Great White 4340h
Water Resistance
S450 Ocean Star100m
Great White 43300m
MSRP
S450 Ocean Star$299
Great White 43$599

Full specifications

Case

5 specs
Diameter
40mm
43mm
Lug-to-Lug
48mm
43mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Titanium (DLC coated)
Water Resistance
100m
300m

Crystal & Dial

2 specs
Dial Color
White
Blue
Lume
Tritium
None

Movement

5 specs
Caliber
TMI NH35A
Miyota 9015
Beat Rate
21,600 vph
28,800 vph
Power Reserve
41h
40h
Jewels
24
25
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$299
$599

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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.

Zelos Great White 43

Owners widely praise the Zelos Great White 43's "unbelievable" and "amazing" lume, particularly on the carbon and Frost variants. The Miyota 9015 movement and 300m water resistance are noted features. Some owners find the 43mm size large, while others report it wears well. Opinions are divided on colorways, with some disappointed by the absence of a "Nebula" option and others finding the "Arctic" version striking. Overall, owners rate the Zelos Great White 43 highly for its exceptional lume and robust specifications at the price point.

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