Side by side

Seestern S450 Ocean StarvsAevig Thule sportswatch

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

S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299
Thule sportswatch
AevigThule sportswatch
MSRP $593

At a glance

12 of 29 specs differ
Diameter
S450 Ocean Star40mm
Thule sportswatch39mm
Power Reserve
S450 Ocean Star41h
Thule sportswatch41h
Water Resistance
S450 Ocean Star100m
Thule sportswatch100m
MSRP
S450 Ocean Star$299
Thule sportswatch$593

Full specifications

Case

5 specs
Category
Diver
Diameter
40mm
39mm
Thickness
12mm
12.3mm
Lug-to-Lug
48mm
48.5mm
Material
316L Stainless Steel
Titanium

Crystal & Dial

2 specs
Dial Color
White
Black
Lume
Tritium
Superluminova

Movement

4 specs
Caliber
TMI NH35A
Seiko NH35
Beat Rate
21,600 vph
28,800 vph
Jewels
24
25
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$299
$593

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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.

Aevig Thule sportswatch

The Aevig Thule sportswatch is widely praised for its 70s-inspired design, lightweight titanium case with a hardness coating, and comfortable wearability. Owners note the NH34 GMT movement's accurate regulation, often seeing 1-2 seconds fast per day, and appreciate the excellent anti-reflective coating, sapphire crystal, and quick-release bracelet. Some reviewers, however, express a desire for dressier styling and sharper case angles, with one owner pointing out potential irregularities on the skeletonized hour markers. Overall, owners rate the Aevig Thule sportswatch highly for its original design and value.

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