Jack Mason Pursuit ProvsYema 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.

Jack Mason Pursuit Pro at true scale

Pursuit Pro

Yema Skin Diver CMM.20 at true scale

Skin Diver CMM.20

Diameter

40mm

39.5mm

Lug-to-Lug

47mm

47mm

Thickness

12.5mm

11.5mm

lowest

Water Resistance

200m

200m

Power Reserve

68h

n/a

MSRP

$1,399

lowest

$2,372

Movement

La Joux-Perret G101

Yema CMM.20

Case

2 specs
Diameter
40mm
39.5mm
Thickness
12.5mm
11.5mm

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
n/a
Black

Movement

2 specs
Caliber
La Joux-Perret G101
Yema CMM.20
Power Reserve
68h
0h

Pricing

1 specs
MSRP
$1,399
$2,372
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Reviews

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

Jack Mason Pursuit Pro

Owners widely praise the Jack Mason Pursuit Pro's robust build quality and value, with reviewers highlighting its scratch-resistant case, grippy 120-click ceramic bezel, and excellent nighttime legibility from its Lumicast lume. The watch features a La Joux-Perret G101 automatic movement regulated in-house to ±5 seconds per day. Some owners suggest other brands for perceived reliability, and one notes the lume is not as strong as a specific Seiko model. Overall, owners and reviewers rate the Jack Mason Pursuit Pro highly for its capable tool watch design and strong value proposition.

From video reviewers

The La Joux-Perret G101 movement with a 68-hour power reserve is a shared strength. Reviewers were split on the lume performance, with some finding it exceptionally bright and others describing it as underwhelming.

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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