Henry Archer TidevandvsYema 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.

Tidevand

Skin Diver CMM.20
Diameter
40mm
39.5mm
Lug-to-Lug
47mm
47mm
Thickness
10.7mm
lowest
11.5mm
Water Resistance
200m
200m
MSRP
$652
lowest
$2,372
Movement
Miyota 9015
Yema CMM.20
Case
2 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 Henry Archer Tidevand for its exceptional finishing, noting wonderful brushing and beveled polished edges, alongside a spectacular Aventurine dial that evokes a sense of space. Lume is also a standout feature, described as "off the charts" even on the date wheel numerals. The watch is recognized as a purpose-built dive watch with a 120-click bezel and strong nighttime visibility, balancing rugged construction with refined finishing. One owner reported tight bracelet push pins, which was resolved by customer service. The 40mm case is noted as being 10.65mm thin. On balance, owners rate the Henry Archer Tidevand highly for its striking Aventurine dial and excellent lume at its price point.
The unique gemstone dial is a standout feature. The polished tungsten bezel is a fingerprint magnet. Reviewers disagreed on the practicality of an all-orange watch for daily wear.
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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