Edox Neptunian Grande Réserve Date AutomaticvsSeiko Prospex Sea

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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 Neptunian Grande Réserve Date Automatic at true scale

Neptunian Grande Réserve Date Automatic

Seiko Prospex Sea at true scale

Prospex Sea

Diameter

42mm

42mm

Lug-to-Lug

n/a

48.6mm

Thickness

12.3mm

lowest

13.3mm

Water Resistance

300m

300m

Power Reserve

n/a

72h

MSRP

$1,990

n/a

Movement

Caliber 808 (La Joux-Perret G100)

Seiko 6R54

Case

2 specs
Thickness
12.3mm
13.3mm
Lug-to-Lug
n/a
48.6mm

Crystal & Dial

2 specs
AR Coating
n/a
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Caliber 808 (La Joux-Perret G100)
Seiko 6R54
Power Reserve
0h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$1,990
n/a
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Reviews

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

Edox Neptunian Grande Réserve Date Automatic

Owners widely praise the Edox Neptunian Grande Réserve Date Automatic for its robust build and refined design, with reviewers highlighting its 42mm case as versatile and wearable, aided by a 12.3mm thickness. The Caliber 808 automatic movement, based on the La Joux-Perret G100, provides a 68-hour power reserve and is noted for its accuracy, with one source reporting +/-12 seconds per day. Legibility is enhanced by Super-LumiNova X1. The watch is priced at EUR 1,890 and features a ceramic bezel and sapphire crystal. Some owners find the 42mm case size large, and one reviewer felt the emphasis on the 68-hour power reserve was slightly overstated compared to competitors. Overall, owners and reviewers rate the Edox Neptunian Grande Réserve Date Automatic highly for its refined dive watch aesthetics and practical wearability at its price point.

Seiko Prospex Sea

The Seiko Prospex Sea is widely recognized for its excellent value and solid build quality, with many owners appreciating its classic dive watch design and legible dial. Reviewers consistently praise its lume, with one owner noting it as excellent. The watch's finishing is also a frequent highlight, described as impressive and well-executed for its price point. Some owners find the 42mm case size wears well, even on smaller wrists, while others describe it as substantial and potentially uncomfortable for smaller wrists. The movement is noted as a 6R54 automatic. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its robust construction and classic dive watch aesthetics at a fair price.

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