Certina DS Action Diver 38mm Powermatic 80vsThorn Titanium Dive Watch


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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.

DS Action Diver 38mm Powermatic 80

Titanium Dive Watch
Diameter
38mm
39mm
Lug-to-Lug
45.0mm
n/a
Thickness
13.2mm
12.1mm
lowest
Water Resistance
300m
highest
200m
Power Reserve
80h
n/a
MSRP
$1,045
$189
lowest
Movement
POWERMATIC 80.611
PT5000
Case
6 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Certina DS Action Diver 38mm Powermatic 80 is widely praised for its excellent value, robust build quality, and comfortable wearability, particularly on smaller wrists. Owners consistently highlight its smooth crown operation, excellent case finishing for the price, and the reliable Powermatic 80 movement, with accuracy reported between +1/+2 and -6 seconds per day. The watch is considered a well-balanced, classic-looking unisex dive watch with a dynamic sunburst dial and tank-like construction. However, some reviewers note that the 38mm version lacks a ceramic bezel, and one owner found the lume on the hour markers weak. Minor criticisms include end links that do not perfectly line up with the case and occasional bracelet hair-snagging, with one instance of disappointing bezel alignment for its price category. Overall, owners and reviewers rate the Certina DS Action Diver 38mm Powermatic 80 highly for its exceptional value and solid execution as a tool-watch.
Owners widely praise the Thorn Titanium 39mm Automatic Dive Watch for its exceptional lightness and comfort due to its titanium construction, with many highlighting the impressive finishing and the "game-changer" tool-free bracelet adjustment system. The lume is also frequently called out as superior. However, some owners find the watch wears a little small, and one owner returned it due to a ghost-date issue and the watch stopping once every 24 hours, with another reporting the watch stopped when the seconds hand reached 60. The design is described by one owner as somewhat uninspired, aside from the custom dial, due to common mod parts. Overall, owners rate the Thorn Titanium 39mm Automatic Dive Watch highly for its wearability and bracelet system.
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