Side by side

Spinnaker Dark PurplevsSeiko Prospex Sea Save the Ocean Special Edition

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

Dark Purple
SpinnakerDark Purple
MSRP $289

At a glance

13 of 29 specs differ
Diameter
Dark Purple45mm
Prospex Sea Save the Ocean Special Edition42.4mm
Power Reserve
Dark Purple40h
Prospex Sea Save the Ocean Special Edition41h
Water Resistance
Dark Purple550m
Prospex Sea Save the Ocean Special Edition200m
MSRP
Dark Purple$289
Prospex Sea Save the Ocean Special Edition$550

Full specifications

Case

6 specs
Diameter
45mm
42.4mm
Thickness
21mm
13.4mm
Lug-to-Lug
52mm
49.4mm
Lug Width
22mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
550m
200m

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
Dark Purple
Black
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
SII NH35A
4R36
Power Reserve
40h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$289
$550

Follow this matchup

Get a note when Spinnaker Dark Purple vs Seiko Prospex Sea Save the Ocean Special Edition gets more votes, a community discussion, or a price drop. No account needed.

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.

Seiko Prospex Sea Save the Ocean Special Edition

The Seiko Prospex Sea Save the Ocean Special Edition is widely praised for its visually striking and unique dial designs, often described as a standout feature offering significant aesthetic appeal for the price. Owners and reviewers consistently highlight the attractive blue gradients, wave patterns, and textured finishes that evoke ocean depths. The watch is generally considered comfortable to wear, with a well-proportioned case size and good build quality. Accuracy is reported as around +5 seconds per day by one owner. However, several sources point to the bracelet and clasp as a weak point, with criticisms including pin-and-collar construction, stamped clasps, and a lack of a convenient diver's extension. Some reviewers also note potential issues with bezel alignment and day/date wheel alignment. On balance, owners and reviewers rate the Seiko Prospex Sea Save the Ocean Special Edition highly for its exceptional dial design and overall value.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.