Lorier Neptune SIVvsYema 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.

Neptune SIV

Navygraf Marine Nationale CMM.10
Diameter
39mm
39mm
Lug-to-Lug
n/a
46mm
Thickness
n/a
11mm
Water Resistance
200m
highest
100m
MSRP
$599
lowest
$1,614
Movement
Automatic
Yema CMM.10
Case
5 specsCrystal & Dial
2 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Lorier Neptune SIV for its balanced, vintage-inspired design and affordability, making it a versatile choice for daily wear. The fully brushed flat-link bracelet is noted for its comfort and taper, though some find its feel less luxurious than higher-end options. A minority of owners express a preference for sapphire over the acrylic crystal and find its case proportions less refined than a competitor. Overall, owners rate the Lorier Neptune SIV highly for its vintage aesthetic and value proposition.
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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