Side by side

Seestern S450 Ocean StarvsTudor Pelagos 39

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

S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299
Pelagos 39
TudorPelagos 39
MSRP $5,625

At a glance

15 of 29 specs differ
Diameter
S450 Ocean Star40mm
Pelagos 3940mm
Power Reserve
S450 Ocean Star41h
Pelagos 3970h
Water Resistance
S450 Ocean Star100m
Pelagos 39200m
MSRP
S450 Ocean Star$299
Pelagos 39$5,625

Full specifications

Case

7 specs
Thickness
12mm
11.8mm
Lug-to-Lug
48mm
46mm
Lug Width
20mm
21mm
Material
316L Stainless Steel
Grade 2 Titanium
Finish
Brushed and polished
Satin
Water Resistance
100m
200m
Caseback
Solid
Solid screw-down

Crystal & Dial

2 specs
Dial Color
White
$578
Lume
Tritium
luminescent ceramic composite hour markers

Movement

5 specs
Caliber
TMI NH35A
MT5400
Beat Rate
21,600 vph
28,800 vph
Power Reserve
41h
70h
Jewels
24
25
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$299
$5,625

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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.

Tudor Pelagos 39

The Tudor Pelagos 39 is widely praised for its comfortable 39mm titanium case, making it a versatile and refined everyday dive watch with a sunray dial and bezel. Owners and reviewers consistently highlight its wearability, with specific mention of its 11.8mm thickness and 107-gram weight. Some owners note the titanium case scuffs easily but that the matte finish hides scratches well and they can be buffed out. Criticisms include a 21mm lug width deemed unnecessary by one owner and some find the T-fit clasp edges sharp, though this is disputed by another. The lume is considered acceptable but not class-leading. Overall, owners and reviewers rate the Tudor Pelagos 39 highly for its comfortable dimensions and refined everyday wearability.

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