Edox CO-1 Date 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.

CO-1 Date Automatic

Seastar 1000
Diameter
42mm
40mm
Thickness
14mm
12.5mm
lowest
Water Resistance
300m
300m
Power Reserve
n/a
80h
MSRP
$1,800
$875
lowest
Movement
Caliber 80 (SW 200)
Tissot Powermatic 80
Case
4 specsCrystal & Dial
4 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Edox CO-1 Date Automatic is an ultra-sporty diver with a bold, angular design, featuring faceted lugs and a proprietary bezel lock. It is powered by the dependable automatic Edox Caliber 80 movement and offers 300 meters of water resistance. Owners generally recommend Edox automatic watches, though some find them poor value due to a lack of brand history. Overall, owners and reviewers rate the Edox CO-1 Date Automatic well for its sporty design and dependable movement.
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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