Aigi Watches Arctic TidevsTudor Black Bay 58
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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.

Arctic Tide

Black Bay 58
Diameter
40mm
39mm
Thickness
11.9mm
11.7mm
lowest
Water Resistance
200m
200m
MSRP
$865
n/a
Movement
Sellita SW200-1
Tudor MT5400
Case
3 specsCrystal & Dial
1 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners report the Aigi Arctic Tide's dial markers catch the light similarly to Grand Seiko dials, and one user noted a preference for its movement over an alternative. Some owners consider the 40mm case size comfortable, while others found a 43mm variant chunky. One owner received their watch with a Miyota 9015 movement upgrade, and another experienced issues with lume and alignment on their initial unit, receiving a replacement. On balance, owners view the Aigi Arctic Tide as a decent value at its Kickstarter price, with good on-paper specifications, though concerns exist regarding the brand's newness and potential for it to be a catalogue watch.
The Tudor Bay 58 is widely praised for its superb wearing experience and rugged build quality, offering significant charm and modern construction. Owners note its substantial feel and a smooth clasp mechanism, though one reviewer flags the shield on the clasp as sharp. On balance, the Tudor Bay 58 is highly regarded for its excellent proportions and value at its price point.
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