Spinnaker PiccardvsSeiko Prospex Sea Save the Ocean Special Edition
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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.

Piccard

Prospex Sea Save the Ocean Special Edition
Diameter
45mm
43.8mm
Lug-to-Lug
52mm
48.7mm
lowest
Thickness
21mm
12.8mm
lowest
Water Resistance
550m
highest
200m
Power Reserve
n/a
41h
MSRP
$550
lowest
$650
Movement
Seiko NH35
Seiko 4R35
Case
5 specsCrystal & Dial
3 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Spinnaker Piccard for its comfortable wear, excellent readability, and bold, vintage-inspired design. However, some consider it a specialty novelty watch, describing the 45mm case as huge and heavy with a large crystal that hinders legibility, making it an acquired taste. On balance, owners appreciate the Spinnaker Piccard for its distinctive aesthetic and comfortable wear, though its size and legibility are polarizing points.
The Seiko Prospex Sea Save the Ocean Special Edition is widely praised for its exceptional and beautiful dial designs, featuring wave patterns, gradient blues, and marine animal motifs that evoke the ocean, with many considering them among the best in their price range. Owners also note satisfactory lume, smooth bezel operation, and comfortable wearability, with some finding the 43.8mm case size and 13mm thickness to be well-balanced for daily wear. However, multiple sources criticize the bracelet clasp as flimsy, rattly, or underwhelming, and one owner reported returning the watch due to this. Some owners also note imperfect day/date wheel alignment as a common issue in this price segment. On balance, owners and reviewers rate the Seiko Prospex Sea Save the Ocean Special Edition highly for its stunning dial artistry and overall value.
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