Side by side

Duxot Atlantica 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.

Add a watch

Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures

What people say

Owners + reviewers, side by side

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

Duxot Atlantica Diver Automatic

Owners widely praise the Duxot Atlantica Diver Automatic as a great value daily wearer, with many finding it a happy purchase. Reviewers note well-aligned bezel markings and adequate lume. Owners report the automatic NH35 movement keeps decent time, losing about 12 seconds per day. The 42mm case is considered a good size for daily wear. However, reviewers consistently flag the stiff rotating bezel and the stamped bracelet with pin links as jangly and uncomfortable compared to higher-end options. Overall, owners rate the Duxot Atlantica Diver Automatic highly for its value and daily wearability, despite minor comfort issues with the bracelet.

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

14 of 29 specs differ
Diameter
Atlantica Diver Automatic42mm
Prospex Sea Save the Ocean Special Edition45mm
Power Reserve
Atlantica Diver Automatic
Prospex Sea Save the Ocean Special Edition41h
Water Resistance
Atlantica Diver Automatic200m
Prospex Sea Save the Ocean Special Edition200m
MSRP
Atlantica Diver Automatic$159
Prospex Sea Save the Ocean Special Edition$625

Full specifications

Case

5 specs
Diameter
42mm
45mm
Thickness
13mm
13.2mm
Lug-to-Lug
50mm
47.7mm
Lug Width
22mm
Finish
Stainless Steel

Crystal & Dial

3 specs
AR Coating
Anti-reflective coating on inner surface
Dial Color
Black
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

5 specs
Caliber
Seiko NH35
Seiko 4R36
Power Reserve
0h
41h
Jewels
0
24
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$159
$625
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

DiscussionNot started
Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.