Spinnaker Fleuss 40 AutomaticvsYema Navygraf Marine Nationale CMM.10
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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.

Fleuss 40 Automatic

Navygraf Marine Nationale CMM.10
Diameter
40mm
39mm
Lug-to-Lug
47mm
46mm
lowest
Thickness
11mm
11mm
Water Resistance
150m
highest
100m
MSRP
$450
lowest
$1,614
Movement
Seiko NH35
Yema CMM.10
Case
4 specsCrystal & Dial
2 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Spinnaker Fleuss 40 Automatic is noted as a good size for smaller wrists, with one owner finding it comfortable on a 6.25-inch wrist. However, the lume is considered too diffuse for easy nighttime reading of the hands. The pilot-style crown is an unusual design choice for a dive watch. Overall, owners and reviewers find the Spinnaker Fleuss 40 Automatic to be a well-sized and comfortable watch with a unique crown design.
The Yema Navygraf Marine Nationale CMM.10 is lauded for its vibrant blue dial and bezel, a clean and legible display, and its in-house CMM.10 automatic movement. Reviewers highlight the 70-hour power reserve and a price point under $2,000 as significant strengths. However, the steel bracelet's clasp is consistently noted as rattly and difficult to open, with one review describing it as feeling slightly cheap. The watch features a 39mm case with a blue sapphire bezel insert and a matte navy dial. Overall, reviewers praise the Yema Navygraf Marine Nationale CMM.10 for its attractive design and strong value proposition, despite minor criticisms of the bracelet clasp.
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