Marnaut Safe Harbour 100CvsSwatch Green Abyss
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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.

Safe Harbour 100C

Green Abyss
Diameter
39mm
42.3mm
Lug-to-Lug
45mm
lowest
48mm
Thickness
13mm
lowest
14.4mm
Water Resistance
100m
highest
91m
Power Reserve
41h
90h
highest
MSRP
$899
$445
lowest
Movement
Sellita SW200-1
Swatch SISTEM51
Case
7 specsCrystal & Dial
2 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Marnaut Safe Harbour 100C is widely praised for its unique sea urchin-inspired dial and compact 39mm tonneau case, which wears well despite its 13.2mm thickness. Owners also highlight its value at EUR 549 and the inclusion of an Italian leather strap, with a 2-year warranty addressing reliability concerns. Some reviewers note the slender handset can get lost on the busy dial and the faux-croc strap is stiff out of the box. Overall, owners and reviewers rate the Marnaut Safe Harbour 100C highly for its distinctive design and strong value proposition within the microbrand segment.
Owners widely praise the Swatch Green Abyss for its gorgeous, premium-looking forest green dial and tactical color combination, with several calling it their favorite Swatch collaboration to date. Reviewers highlight the sand-beige Super-LumiNova for excellent legibility. Some owners note the green appears less dark in person than in photos and can look plastic-like. The Swatch Green Abyss features the Swatch SISTEM51 automatic movement and is priced at $400. Overall, owners and reviewers rate the Swatch Green Abyss highly for its striking colorway and legibility at the price.
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