Marnaut Safe Harbour 100CvsYema Navygraf Heritage

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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.

Marnaut Safe Harbour 100C at true scale

Safe Harbour 100C

Yema Navygraf Heritage at true scale

Navygraf Heritage

Diameter

39mm

39mm

Lug-to-Lug

45mm

lowest

46mm

Thickness

13mm

10.8mm

lowest

Water Resistance

100m

100m

Power Reserve

41h

n/a

MSRP

$899

lowest

$990

Movement

Sellita SW200-1

Sellita SW200-1

Case

4 specs
Thickness
13mm
10.85mm
Lug-to-Lug
45mm
46mm
Lug Width
20mm
19mm
Material
Stainless Steel
316L Stainless Steel

Movement

1 specs
Power Reserve
41h
0h

Pricing

1 specs
MSRP
$899
$990
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Marnaut Safe Harbour 100C

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.

Yema Navygraf Heritage

Owners widely praise the Yema Navygraf Heritage for its comfortable 39mm wearability and faithful reissue of a 1970s model, with craftsmanship often noted as better than expected. Some owners highlight its retro look, yellow hands for legibility, and unique case design. However, multiple owners report quality control issues, including bezel free play, misalignment, and crown seating problems. Accuracy figures vary, with one owner noting it runs at +10 to +15 seconds per day, while another regulated theirs after losing 30 seconds per day, though another owner states theirs is accurate. The bezel is described as super tight to turn by one owner, despite having precise 120 clicks. Overall, owners find the Yema Navygraf Heritage a good-looking and quirky watch with notable value for its design and build.

From video reviewers

The 39mm case size and comfortable wearability are consistently praised. The in-house MBP1000 movement is mentioned as a strength by multiple reviewers. Reviewers disagree on the movement's quality, with one suggesting it should not have passed quality control while others highlight it as a positive feature.