Pompeak Sub-AquaticvsTuseno Shellback
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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.

Sub-Aquatic

Shellback
Diameter
40mm
40mm
Lug-to-Lug
48mm
47mm
lowest
Thickness
13mm
11.9mm
lowest
Water Resistance
200m
200m
Power Reserve
38h
n/a
MSRP
$915
$840
lowest
Movement
Sellita SW200-1
Sellita SW200-1
Case
4 specsCrystal & Dial
2 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Pompeak Sub-Aquatic is widely praised for its exceptional value, with owners highlighting its 904L stainless steel construction, Swiss Sellita SW200-1 movement, and ceramic bezel insert. The fit and finish are considered superior to lesser alternatives, and the bracelet receives particular commendation. One owner specifically points to the pleasing color gradient on the waffle dial as a standout feature. Overall, owners rate the Pompeak Sub-Aquatic highly for its exceptional quality and stupendous value for money.
Tuseno Shellback owners and reviewers widely praise its outstanding value and brilliant execution, highlighting its well-laid-out dial, crisp finishing, and balanced design. The sandwich dial, particularly the white and blue variants, is a frequent point of admiration, with one owner noting the lume appears light blue. The watch offers a substantial feel at 153 grams on the bracelet and a comfortable 40mm diameter, featuring a toolless micro-adjustment mechanism. While one reviewer noted a stiff bezel action, another owner described exceptionally crisp bezel action with zero play. Sources mention a Sellita SW200-1 or Ronda R150 movement, with one noting the Ronda's stated accuracy of ±12 seconds per day and 40-hour power reserve. Overall, owners and reviewers rate the Tuseno Shellback highly for its exceptional value and standout dial design.
The build quality is cited as a significant strength. Availability is a weakness, with stock running low.
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