Side by side

Seestern S450 Ocean StarvsSternglas Sedius

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

S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299
Sedius
SternglasSedius
MSRP $301

At a glance

14 of 29 specs differ
Diameter
S450 Ocean Star40mm
Sedius40mm
Power Reserve
S450 Ocean Star41h
Sedius
Water Resistance
S450 Ocean Star100m
Sedius50m
MSRP
S450 Ocean Star$299
Sedius$301

Full specifications

Case

5 specs
Category
Diver
Dress
Thickness
12mm
8mm
Lug-to-Lug
48mm
47mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
100m
50m

Crystal & Dial

2 specs
Dial Color
White
Lume
Tritium
None

Movement

6 specs
Caliber
TMI NH35A
TMI VH31
Type
Automatic
Quartz
Beat Rate
21,600 vph
28,800 vph
Power Reserve
41h
Jewels
24
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$299
$301

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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.

Sternglas Sedius

The Sternglas Sedius is widely praised for its harmonious blend of Bauhaus minimalism and Art Deco elegance, featuring a well-balanced sector dial and a smooth-sweeping seconds hand from its Seiko VH31 meca-quartz movement. Owners and reviewers note its pleasing wearability due to the case shape and slender lugs, and it is considered an affordable option with a good price-performance ratio. One reviewer flags legibility issues on the black dial variant, while the blue-on-white offers crispness. The Sternglas Sedius lacks a date complication and features a double-domed sapphire crystal. Overall, owners and reviewers rate the Sternglas Sedius highly for its classy Art Deco aesthetic and value.

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