Spinnaker PiccardvsSeiko Prospex Sea The Black Series
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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 The Black Series
Diameter
45mm
45mm
Lug-to-Lug
52mm
47.7mm
lowest
Thickness
21mm
13.2mm
lowest
Water Resistance
550m
highest
200m
Power Reserve
n/a
41h
MSRP
$550
lowest
$765
Movement
Seiko NH35
Seiko 4R36
Case
4 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 The Black Series is praised for its distinct green sunburst dial and bezel, classic diver's dial layout, and excellent legibility with Seiko's strong lume. Owners note that the price is often discounted from the RRP, making it an excellent first proper watch. A reviewer notes a lost opportunity for a thinner appearance due to the bezel's design. On balance, owners and reviewers rate the Seiko Prospex Sea The Black Series highly for its legibility and distinctive dial at the price.
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