Duxot Atlantica Diver AutomaticvsSeiko Prospex Sea 1968 Heritage Diver's GMT Limited 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.

Atlantica Diver Automatic

Prospex Sea 1968 Heritage Diver's GMT Limited Edition
Diameter
42mm
42mm
Lug-to-Lug
50mm
48.6mm
lowest
Thickness
13mm
lowest
13.3mm
Water Resistance
200m
300m
highest
Power Reserve
n/a
72h
MSRP
$280
lowest
$1,750
Movement
Seiko NH35
Seiko 6R54
Case
5 specsCrystal & Dial
3 specsMovement
5 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Duxot Atlantica Diver Automatic as a beautiful and happy purchase, with many finding it a useful daily wearer. Reviewers and owners consistently note well-aligned bezel markings and adequate lume, along with a Seiko NH35 automatic movement. However, the bezel is described as stiff to rotate, and the stamped bracelet with pin links is frequently flagged as jangly, flimsy, and uncomfortable. Accuracy varies, with one owner reporting a loss of about 12 seconds per day. On balance, owners and reviewers rate the Duxot Atlantica Diver Automatic highly for its value and aesthetic appeal, despite noted comfort issues with the bracelet.
The Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition is widely praised for its excellent quality and finishing for its price, with reviewers highlighting its beautiful case, bracelet, and Lumibrite lume. Owners appreciate the comfortable 42mm case size and the 4 o'clock crown position. The watch features a sapphire crystal and uses the in-house 6R54 automatic movement with a three-day power reserve. Some reviewers note that the GMT function is secondary and that the bezel clicks are quieter than expected. The 4:30 date window splits opinion among enthusiasts, and it is described as a "caller GMT" rather than a true "traveller GMT." Overall, owners and reviewers rate the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition highly for its excellent value, quality finishing, and comfortable wearability.
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