Side by side

Duxot Henri Diver AutomaticvsSeiko Prospex Sea Save the Ocean Special Edition

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

What people say

Owners + reviewers, side by side

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

Duxot Henri Diver Automatic

The brass wave dial with applied Super Luminous indices delivers striking visual depth and reliable on-wrist legibility across all lighting conditions. The 41mm case with 47mm lug-to-lug proportions and Japanese automatic movement balance compact wearability with robust 20 ATM water resistance, though the 15mm thickness reads substantial for its diameter.

Seiko Prospex Sea Save the Ocean Special Edition

The Seiko Prospex Sea Save the Ocean Special Edition is widely praised for its attractive, unique, and textured dials, often described as having a "Grand Seiko feel" at a more accessible price point, with specific mentions of wave patterns, lagoon hues, and manta ray motifs. Owners appreciate the smooth bezel operation and satisfactory lume. Accuracy figures vary, with one owner reporting +5 seconds per day, while another notes a range from +1/+2 to about -6 seconds per day. The 6R35 movement offers a 70-hour power reserve, and some models feature sapphire crystals. Criticisms include a desire for exhibition casebacks and concerns about the quality and security of the stamped metal clasps and bracelets, which are frequently described as rattly or underwhelming, though this is noted as a common Seiko trait. Some owners are split on the number of Save the Ocean variations and dislike the cyclops magnifier.

At a glance

16 of 29 specs differ
Diameter
Henri Diver Automatic41mm
Prospex Sea Save the Ocean Special Edition45mm
Power Reserve
Henri Diver Automatic40h
Prospex Sea Save the Ocean Special Edition41h
Water Resistance
Henri Diver Automatic200m
Prospex Sea Save the Ocean Special Edition200m
MSRP
Henri Diver Automatic$169
Prospex Sea Save the Ocean Special Edition$625

Full specifications

Case

6 specs
Diameter
41mm
45mm
Thickness
15mm
13.2mm
Lug-to-Lug
47mm
47.7mm
Lug Width
22mm
Finish
Stainless Steel
Brushed and polished
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Anti-reflective coating on inner surface
Dial Color
Green
Black
Indices
Applied
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

4 specs
Caliber
NH35
Seiko 4R36
Beat Rate
0 vph
28,800 vph
Power Reserve
40h
41h
Jewels
0
24

Pricing

1 specs
MSRP
$169
$625
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