Vaer D5 Tropic AutovsYema Skin Diver CMM.20
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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.

D5 Tropic Auto

Skin Diver CMM.20
Diameter
39mm
39.5mm
Lug-to-Lug
46mm
lowest
47mm
Thickness
12.5mm
11.5mm
lowest
Water Resistance
200m
200m
MSRP
$749
lowest
$2,372
Movement
Miyota 9015
Yema CMM.20
Case
3 specsCrystal & Dial
1 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Vaer D5 Tropic Auto for its excellent fit and finish, comparing it favorably to brands like Hamilton and Tissot, and appreciate its value for money. The 39mm case is noted for wearing larger and feeling comfortable, with specific callouts for the stunning bezel action, beautifully finished lugs, and a dynamic dial with a unique date feature. Some owners also highlight the quick-release bracelet for easy strap changes and the watch's vintage vibe. One owner reported a misaligned bezel. Overall, owners rate the Vaer D5 Tropic Auto highly for its blend of quality, wearability, and value.
The dial design is a standout feature. The Miyota automatic movement is also noted.
The Yema Skin Diver CMM.20 is lauded for its vintage aesthetic, 39.5mm case size, and well-proportioned handset with sharp indices. Owners praise its textured cream dial, French tool watch elegance, and the smooth winding feel of the in-house CMM.20 micro-rotor movement. The fully brushed bracelet with toolless micro-adjust clasp is considered Yema's best yet. Accuracy readings range from -3/+7 seconds per day to approximately 0 to -10 seconds per day. Some reviewers noted questionable finishing on a prototype's hour hand and a rattly, stamped clasp. The watch's pricing has been questioned by some due to brand QC reputation, and its extended lug-to-lug may challenge smaller wrists. On balance, owners and reviewers appreciate the Yema Skin Diver CMM.20 for its vintage styling and improved bracelet design at its price point.
The sapphire bezel insert and in-house CMM.20 movement are noted strengths. Reviewers questioned the value proposition compared to other Yema models.
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