Side by side

Spinnaker Dark PurplevsSeestern S450 Ocean Star

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

Dark Purple
SpinnakerDark Purple
MSRP $289
S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299

At a glance

13 of 29 specs differ
Diameter
Dark Purple45mm
S450 Ocean Star40mm
Power Reserve
Dark Purple40h
S450 Ocean Star41h
Water Resistance
Dark Purple550m
S450 Ocean Star100m
MSRP
Dark Purple$289
S450 Ocean Star$299

Full specifications

Case

5 specs
Diameter
45mm
40mm
Thickness
21mm
12mm
Lug-to-Lug
52mm
48mm
Lug Width
22mm
20mm
Water Resistance
550m
100m

Crystal & Dial

2 specs
Dial Color
Dark Purple
White
Lume
None
Tritium

Movement

5 specs
Caliber
SII NH35A
TMI NH35A
Beat Rate
28,800 vph
21,600 vph
Power Reserve
40h
41h
Jewels
25
24
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$289
$299

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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.

Spinnaker Dark Purple

Owners widely praise the Spinnaker Dark Purple's build quality and sharp aesthetics, with particular admiration for the stunning purple dial that shines in sunlight and the smooth, bidirectional rotating bezel operated by a crown. One owner notes that Spinnaker makes attractive purple dial watches but criticizes their large size. Overall, owners rate the Spinnaker Dark Purple highly for its stunning dial and smooth bezel action.

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.

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