Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special EditionvsSpinnaker Fleuss
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition

Fleuss
Diameter
42.7mm
43mm
Lug-to-Lug
46.4mm
lowest
51mm
Thickness
13.2mm
13mm
lowest
Water Resistance
200m
highest
150m
Power Reserve
70h
n/a
MSRP
$1,350
$209
lowest
Movement
Seiko 6R35
Seiko NH35
Case
6 specsCrystal & Dial
4 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition for its beautiful design and refinement over prior models, with its glacier-inspired textured dial being a particular highlight. However, a significant portion of the community finds the €1500 RRP to be too high, suggesting a price point closer to €900-€1000, and note the use of an aluminum bezel insert. Some owners report that the 6R movement runs slow. On balance, owners rate the Seiko Prospex Sea 1970 Heritage Diver's Save the Ocean Special Edition highly for its aesthetic refinement, though the price point is a notable concern for the community.
The Spinnaker Fleuss is praised for its retro design, textured dial, and good value, especially with discounts, offering a Blancpain Fifty-Five homage. Owners report superb build quality and finish for the price, with one noting it looks better in person than in website photos. The dial is well lumed, and the watch keeps good time with a decent power reserve. However, some find the 43mm case on the larger side, and one owner found the included leather strap too thick. Concerns have been raised about the acrylic bezel's durability and the watch's origin in Hong Kong. Overall, owners and reviewers rate the Spinnaker Fleuss highly for its attractive design and strong build quality at its price point.
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