Spinnaker Challenger AutomaticvsSeiko Prospex Sea PADI 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.

Spinnaker Challenger Automatic at true scale

Challenger Automatic

Seiko Prospex Sea PADI Special Edition at true scale

Prospex Sea PADI Special Edition

Diameter

42mm

41.7mm

Lug-to-Lug

49.5mm

49.5mm

Thickness

19mm

12.3mm

lowest

Water Resistance

200m

200m

Power Reserve

n/a

41h

MSRP

$289

lowest

$650

Movement

Seiko NH35

Seiko 4R35

Case

4 specs
Diameter
42mm
41.7mm
Thickness
19mm
12.3mm
Lug Width
22mm
20mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
Blue
n/a
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Seiko NH35
Seiko 4R35
Power Reserve
0h
41h
Jewels
0
23

Pricing

1 specs
MSRP
$289
$650
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Spinnaker Challenger Automatic

Owners praise the Spinnaker Challenger Automatic's comfortable 42mm DLC-coated case and satisfying bezel action. Reviewers note the fun, playful design featuring Popeye as the hour and minute hands. One owner flags the blue lume as weaker than green, and another finds the thick rubber strap difficult to manage. The ultra-domed sapphire crystal is cited as making photography challenging. On balance, owners and reviewers appreciate the Spinnaker Challenger Automatic for its playful design and solid build at its price point.

Seiko Prospex Sea PADI Special Edition

Owners widely praise the Seiko Prospex Sea PADI Special Edition for its value, attractive PADI color scheme, and excellent lume. Reviewers highlight its proven design, strong functionality, and classic Seiko diver charm, with a matte black dial and large markers being a common point of appreciation. The bezel action is noted as being smoother and more precise than previous models, and the build quality is described as amazing. Some owners find the dial's wave pattern a favorite, though it may not stand out without direct light. The movement's stated accuracy range is +45 to -35 seconds per day, and the divers extension is a point of disappointment for some due to difficulty in opening. The bracelet adjustment is also noted as a pain point, though manageable. Overall, owners and reviewers rate the Seiko Prospex Sea PADI Special Edition highly for its exceptional value and classic diver aesthetic.