Certina DS Action Day Date Powermatic 80vsTissot Seastar 1000

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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 Day Date Powermatic 80

Seastar 1000
Diameter
41mm
40mm
Lug-to-Lug
49.0mm
n/a
Thickness
12.0mm
lowest
12.5mm
Water Resistance
200m
300m
highest
Power Reserve
80h
80h
MSRP
$903
$875
lowest
Movement
POWERMATIC 80.621
Tissot Powermatic 80
Case
4 specsCrystal & Dial
4 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Certina DS Action Day Date Powermatic 80 is widely regarded as a sporty-elegant and versatile everyday watch, praised for its value and solid fit and finish. Owners appreciate its comfortable 41mm case size and the reliable Powermatic 80 movement, with some highlighting its warmer blue dial and rose gold indexes. While generally considered a great GADA watch, some owners find the 41mm case wears large for smaller wrists, and one owner noted a stiffer crown compared to other Powermatic 80 watches. Overall, owners and reviewers rate the Certina DS Action Day Date Powermatic 80 highly for its blend of sporty elegance and everyday wearability at its price point.
Owners widely praise the Tissot Seastar 1000 for its value and solid build, with one reviewer calling it a comfortable, sporty, and affordable everyday watch with a great case and dial ratio. However, some owners find the Tissot Seastar 1000 too large and poorly proportioned, citing small indices on larger dials and a difficult-to-read bezel. Criticisms also include a non-reflective crystal causing glare, mediocre lume, and a subpar bracelet, with some feeling it is underwhelming for the price compared to other divers. Overall, owners rate the Tissot Seastar 1000 highly for its value and solid build at the price point.
The 80-hour power reserve from the Powermatic 80 movement is a significant strength. Reviewers did not reach a consensus on any weaknesses.
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