Side by side

Seestern S450 Ocean StarvsStraton Straton Curve Chrono MKII

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

S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299
Straton Curve Chrono MKII
StratonStraton Curve Chrono MKII
MSRP $1,099

At a glance

19 of 29 specs differ
Diameter
S450 Ocean Star40mm
Straton Curve Chrono MKII42mm
Power Reserve
S450 Ocean Star41h
Straton Curve Chrono MKII
Water Resistance
S450 Ocean Star100m
Straton Curve Chrono MKII100m
MSRP
S450 Ocean Star$299
Straton Curve Chrono MKII$1,099

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
40mm
42mm
Thickness
12mm
13.9mm
Lug-to-Lug
48mm
47.4mm
Lug Width
20mm
22mm
Finish
Brushed and polished
Caseback
Solid
Stamped Design with Wheel

Crystal & Dial

5 specs
Crystal Shape
Flat
Domed
AR Coating
Inner
Yes
Dial Color
White
Indices
Applied
Lume
Tritium
None

Movement

6 specs
Caliber
TMI NH35A
NE86
Type
Automatic
Quartz
Beat Rate
21,600 vph
0 vph
Power Reserve
41h
0h
Jewels
24
0
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$299
$1,099

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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.

Straton Curve Chrono MKII

The watch offers a retro motorsport aesthetic with a quality finish and well-chosen movements at an affordable price. Reviewers did not agree on any specific weaknesses.

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