AV86 1926 AutomaticvsTudor Prince Date Hydronaut
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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.

1926 Automatic

Prince Date Hydronaut
Diameter
39mm
39mm
Thickness
12mm
11.3mm
lowest
Water Resistance
200m
200m
Movement
Automatic
ETA 2824-2
Case
4 specsCrystal & Dial
3 specsMovement
3 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely report excellent case, bezel, and bracelet finishing, with one owner finding it comparable to higher-end brands. Accuracy is reported at -4 seconds per day, exceeding that of more expensive automatic watches. Some in the community consider Avi-8 watches to be fashion watches, suggesting better quality alternatives exist for the price, though aesthetic appeal remains a primary driver for purchase. Overall, owners rate the AV86 1926 Automatic highly for its exceptional finishing and surprising accuracy at its price point.
Owners widely praise the Tudor Prince Date Hydronaut for its impressive case design, with one enthusiast specifically noting the appeal of an ivory dial with red accents. One owner reported a watch that was not running upon receipt, requiring a 9-week repair, but it has since kept great time. The Tudor Prince Date Hydronaut is powered by an ETA 2824-2 automatic movement. On balance, owners and reviewers appreciate the Tudor Prince Date Hydronaut for its distinctive case design and aesthetic details.
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