Aigi Watches ARCTIC TIDEvsMarnaut Safe Harbour 100
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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

Safe Harbour 100
Diameter
40mm
39mm
Lug-to-Lug
n/a
45mm
Thickness
11.9mm
lowest
13mm
Water Resistance
200m
highest
100m
Power Reserve
n/a
41h
MSRP
$865
lowest
$1,042
Movement
Sellita SW200-1
Sellita SW200-1
Case
6 specsCrystal & Dial
2 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.
Owners widely praise the Marnaut Safe Harbour 100 for its value at EUR 549, noting the 2-year warranty and Italian leather strap. Reviewers highlight its divisive but fresh sea urchin-inspired dial and 39mm GADA-friendly case size, though one reviewer found the handset could get lost on the busy dial. The tonneau case, despite a 13.2mm thickness, wears well due to its curved mid-case and domed sapphire crystal. On balance, owners and reviewers rate the Marnaut Safe Harbour 100 highly for its unique design and strong value proposition within the microbrand segment.
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