Edox Grand Ocean 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.

Edox Grand Ocean Automatic at true scale

Grand Ocean Automatic

Seiko Prospex Sea PADI Special Edition at true scale

Prospex Sea PADI Special Edition

Diameter

40mm

41.7mm

Lug-to-Lug

n/a

49.5mm

Thickness

11.9mm

lowest

12.3mm

Water Resistance

300m

highest

200m

Power Reserve

n/a

41h

MSRP

$1,740

$650

lowest

Movement

Caliber 80 (SW 200)

Seiko 4R35

Case

4 specs
Diameter
40mm
41.7mm
Thickness
11.9mm
12.3mm
Lug-to-Lug
n/a
49.5mm
Water Resistance
300m
200m

Crystal & Dial

2 specs
Crystal
Sapphire
Hardlex
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Caliber 80 (SW 200)
Seiko 4R35
Power Reserve
0h
41h
Jewels
0
23

Pricing

1 specs
MSRP
$1,740
$650
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Reviews

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

Edox Grand Ocean Automatic

Owners widely praise the Edox Grand Ocean Automatic for its impressive finishing and quality at its price point, with some noting it wears smaller than its 40mm case dimensions suggest. A reviewer found the watch charming and comfortable, though they flagged unnecessary dial labeling and less robust lume compared to dedicated sport watches. One owner noted difficulties finding aftermarket strap options for the Edox Grand Ocean Automatic. On balance, owners and reviewers generally regard the Edox Grand Ocean Automatic positively for its build quality and comfortable wearability.

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.