Biatec Marine 01 NvsTrematic ZY6
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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.

Marine 01 N

ZY6
Diameter
40mm
38mm
Lug-to-Lug
n/a
44mm
Thickness
11.2mm
11.1mm
lowest
Water Resistance
100m
100m
Power Reserve
41h
41h
MSRP
$1,490
$855
lowest
Movement
Sellita SW200-1
Sellita SW200-1
Case
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Biatec Marine 01 N is praised for its 40mm case size, which owners find easy to wear and comfortable on average wrists, contributing to good legibility. The integrated bracelet is noted for its articulation and sturdy build. The dial features a sunburst black to grey finish that further enhances legibility. Owners perceive good build quality for its price point. One owner noted the watch's 2000-foot water resistance. On balance, owners appreciate the Biatec Marine 01 N for its comfortable wearability and legible dial design.
The Trematic ZY6 is praised for its fantastic appearance, particularly the blue/white dial on a bracelet, and its elegant, vintage-inspired design with applied markers. The 38mm stainless steel case is described as fully polished. However, the grainy textured dial is a point of contention for some owners, with one reporting it as a documented problem. The watch has 100m water resistance. Overall, owners and reviewers appreciate the Trematic ZY6's aesthetic appeal and refined design, though the dial texture is a divisive element.
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