Phoibos Storm CorsairvsYema 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.

Phoibos Storm Corsair at true scale

Storm Corsair

Yema Skin Diver CMM.20 at true scale

Skin Diver CMM.20

Diameter

40mm

39.5mm

Lug-to-Lug

46mm

lowest

47mm

Thickness

11.5mm

11.5mm

Water Resistance

200m

200m

MSRP

$480

lowest

$2,372

Movement

Miyota 9015

Yema CMM.20

Case

3 specs
Diameter
40mm
39.5mm
Lug-to-Lug
46mm
47mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

4 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Yes
n/a
Dial Color
Green
Black
Lume
Super-LumiNova
None

Movement

1 specs
Caliber
Miyota 9015
Yema CMM.20

Pricing

1 specs
MSRP
$480
$2,372
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Reviews

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

Phoibos Storm Corsair

Owners widely praise the Phoibos Storm Corsair for its exceptional quality and value, with one owner finding it superior to Seiko and Citizen watches up to 350€. The lume is consistently highlighted as excellent and very bright, matching product images, though its afterglow duration is considered short. Some owners report the bracelet feels cheap, contrasting with the watch's overall quality feel and impressive lume. One owner noted an internal bezel misalignment, identifying it as a factory defect. Overall, owners rate the Phoibos Storm Corsair highly for its impressive lume and quality for the price.

From video reviewers

The dual-crown design for the internal rotating bezel is a noted strength. The lume performance, specifically the Black Super-LumiNova, was not clearly defined. Reviewers were split on whether the case design and bracelet were strong points for the price.

Yema Skin Diver CMM.20

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.

From video reviewers

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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