Side by side

Seestern S450 Ocean StarvsTissot PR516

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

S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299
PR516
TissotPR516
MSRP $825

At a glance

14 of 29 specs differ
Diameter
S450 Ocean Star40mm
PR51638mm
Power Reserve
S450 Ocean Star41h
PR51680h
Water Resistance
S450 Ocean Star100m
PR516100m
MSRP
S450 Ocean Star$299
PR516$825

Full specifications

Case

5 specs
Category
Diver
Sport
Diameter
40mm
38mm
Thickness
12mm
11.18mm
Lug-to-Lug
48mm
37mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Indices
Applied
Indexes
Lume
Tritium
Super-LumiNova ®

Movement

5 specs
Caliber
TMI NH35A
Powermatic 80
Beat Rate
21,600 vph
28,800 vph
Power Reserve
41h
80h
Jewels
24
25
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$299
$825

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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.

Tissot PR516

Owners and reviewers widely praise the Tissot PR516 for its vintage-inspired dial, robust case finishing, and the horological substance offered at its price point, with some noting its 38mm size and historical connections as highlights. The manual-wind movement is frequently cited for its 68-hour power reserve and modern technology. However, the watch's 14mm thickness and substantial lug-to-lug distance are noted as potentially making it wear large on smaller wrists. Some owners find the dial bland and the fixed bezel disappointing, while others criticize the basic stamped clasp and simplistic movement finishing visible through the display caseback. On balance, owners and reviewers consider the Tissot PR516 a compelling heritage-inspired sports watch, particularly for its value and vintage motorsport aesthetic.

From video reviewers

The value proposition against competitors is a shared strength. Reviewers did not agree on the case size, with mentions of 40mm and 38mm.

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