Side by side

Spinnaker Dark PurplevsSeiko Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited 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 Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition45.4mm
Power Reserve
Dark Purple40h
Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition72h
Water Resistance
Dark Purple550m
Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition600m
MSRP
Dark Purple$289
Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition$4,600

Full specifications

Case

5 specs
Diameter
45mm
45.4mm
Thickness
21mm
16mm
Lug-to-Lug
52mm
50.4mm
Material
316L Stainless Steel
Titanium
Water Resistance
550m
600m

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Dark Purple
Black
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
SII NH35A
8L45
Power Reserve
40h
72h
Jewels
25
35

Pricing

1 specs
MSRP
$289
$4,600

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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.

Seiko Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition

Owners widely praise the Prospex Marinemaster Seiko Diver’s Watch 60th Anniversary Limited Edition's titanium monobloc case construction and the dial's blue gradient finish. Some owners find the 45.4mm diameter and 16mm thickness too large, noting a poor dial-to-bezel ratio and excessive text on the dial. The 8L45 movement offers a 72-hour power reserve, with reported accuracy ranging from +10/-5 seconds per day to +25/-15 seconds per day. On balance, owners appreciate the watch's tool watch vibe and unique dial construction, despite some reservations about its size and price.

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