Sinn EZM 3 SvsMarnaut 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.
EZM 3 S
Safe Harbour 100
Diameter
41mm
39mm
Lug-to-Lug
n/a
45mm
Thickness
12.3mm
lowest
13mm
Water Resistance
500m
highest
100m
Power Reserve
38h
41h
highest
MSRP
$3,046
$1,042
lowest
Movement
Sellita SW200-1
Sellita SW200-1
Case
6 specsCrystal & Dial
4 specsMovement
4 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Sinn EZM 3 S is praised for its robust build, Tegiment technology, and scratch resistance, making it a purpose-built tactical dive watch. Reviewers note its reliable Sellita SW200-1 movement, though its 38-hour power reserve is considered somewhat outdated. Overall, reviewers find the Sinn EZM 3 S to be a highly capable and durable tool 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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