Edox Grand Ocean AutomaticvsTissot 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.

Grand Ocean Automatic

Seastar 1000
Diameter
40mm
40mm
Thickness
11.9mm
lowest
12.5mm
Water Resistance
300m
300m
Power Reserve
n/a
80h
MSRP
$1,740
$875
lowest
Movement
Caliber 80 (SW 200)
Tissot Powermatic 80
Case
2 specsCrystal & Dial
4 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Edox Grand Ocean Automatic for its impressive finishing and quality at its price point, with some noting it wears smaller than its 40mm case dimensions suggest. A reviewer found the watch charming and comfortable, though they flagged unnecessary dial labeling and less robust lume compared to dedicated sport watches. One owner noted difficulties finding aftermarket strap options for the Edox Grand Ocean Automatic. On balance, owners and reviewers generally regard the Edox Grand Ocean Automatic positively for its build quality and comfortable wearability.
Owners widely praise the Tissot Seastar 1000 for its value, solid build, and 300m water resistance, with reviewers highlighting its comfortable wearability and affordable price point for a sporty diver. Some owners find the bezel difficult to use and note glare from the crystal, while others criticize the lume and bracelet quality, with one owner describing the clasp as flimsy. Accuracy figures for the quartz models are excellent, and the Powermatic 80 movement is considered reliable. Overall, owners and reviewers rate the Tissot Seastar 1000 highly for its strong value proposition as a sporty, affordable everyday watch.
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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