Side by side

Seiko Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited EditionvsSpinnaker Fleuss

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

At a glance

13 of 29 specs differ
Diameter
Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition40mm
Fleuss43mm
Power Reserve
Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition72h
Fleuss40h
Water Resistance
Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition300m
Fleuss150m
MSRP
Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition$1,400
Fleuss$179

Full specifications

Case

5 specs
Diameter
40mm
43mm
Lug-to-Lug
46.4mm
51mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
150m

Crystal & Dial

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

Movement

3 specs
Caliber
6R55
SII NH35A
Power Reserve
72h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$1,400
$179

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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.

Seiko Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition

The Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition is praised for its compact 40mm case and the new Caliber 6R55 movement offering a 72-hour power reserve. Owners and reviewers highlight the stunning dials as a strong suit for Seiko. However, the 6R movement's accuracy is a point of disappointment for some, who wish for improvements closer to other movements, though others accept it given the excellent overall package. Press images suggest the bracelet end links may appear disjointed. Overall, owners and reviewers rate the Prospex Sea Seiko Prospex 1965 Heritage Diver’s Watch Save the Ocean Limited Edition well, with the stunning dials and improved power reserve being the biggest reasons.

Spinnaker Fleuss

Owners widely praise the Spinnaker Fleuss for its retro design, textured dial, and good value, with many noting it looks better in person than in photos. The watch is appreciated for its robust construction and finishing, especially when found at a discount. Some owners report good timekeeping and a decent power reserve. However, the Spinnaker Fleuss GMT is criticized by some for its large case size, which can affect proportions and numeral legibility. One owner experienced a broken crown after a fall, while another noted concerns about the acrylic bezel's durability. The lume is described as adequate but not exceptional. Overall, owners rate the Spinnaker Fleuss highly for its retro aesthetic and value proposition, particularly when purchased on sale.

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