Side by side

HELM KomodovsSeestern S450 Ocean Star

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

Komodo
HELMKomodo
MSRP $295
S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299

At a glance

13 of 29 specs differ
Diameter
Komodo40mm
S450 Ocean Star40mm
Power Reserve
Komodo40h
S450 Ocean Star41h
Water Resistance
Komodo300m
S450 Ocean Star100m
MSRP
Komodo$295
S450 Ocean Star$299

Full specifications

Case

4 specs
Thickness
15.5mm
12mm
Lug-to-Lug
47mm
48mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

4 specs
Crystal Shape
Double-Domed
Flat
AR Coating
Yes
Inner
Dial Color
Black
White
Lume
Super-LumiNova
Tritium

Movement

4 specs
Caliber
Seiko Instruments NH35
TMI NH35A
Beat Rate
28,800 vph
21,600 vph
Power Reserve
40h
41h
Complications
Date
GMT, Date

Pricing

1 specs
MSRP
$295
$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.

HELM Komodo

The HELM Komodo is widely praised for its excellent build quality, top-notch case finishing, clear double-domed sapphire crystal, wonderfully executed dial, and substantial lume, with reviewers noting its ISO 6425 compliance and 300m water resistance. Owners report a snappy 120-click bezel and appreciate the depth, detail, and finishing for a tool diver at its price point. Some owners find the 15.2mm to 15.5mm height makes the HELM Komodo feel thick and hefty, and the bezel ridges are noted as somewhat uncomfortable to turn, while the clasp design is also flagged as a drawback. On balance, owners and reviewers rate the HELM Komodo highly for its exceptional finishing and lume at its sub-$300 price point.

From video reviewers

The HELM Komodo's double domed sapphire crystal offers excellent optical clarity and minimal distortion. A notable weakness is its limited availability, making it harder to get than some other luxury watches. Reviewers disagree on the watch's lug-to-lug fit, with one reviewer noting it may not suit those with smaller wrists, while another reviewer does not mention this as a concern.

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.

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