Bower Tide SeekervsYema Superman Slim 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.

Bower Tide Seeker at true scale

Tide Seeker

Yema Superman Slim CMM.20 at true scale

Superman Slim CMM.20

Diameter

39mm

39mm

Lug-to-Lug

45mm

n/a

Thickness

10mm

9.9mm

lowest

Water Resistance

100m

300m

highest

MSRP

n/a

$2,372

Movement

Ronda quartz mechanical

Yema CMM.20

Case

4 specs
Thickness
10mm
9.95mm
Lug-to-Lug
45mm
n/a
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Lume
Thick Swiss Super-LumiNova for high visibility in low light.
None

Movement

2 specs
Caliber
Ronda quartz mechanical
Yema CMM.20
Type
Quartz
Mechanical

Pricing

1 specs
MSRP
n/a
$2,372
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Reviews

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

Bower Tide Seeker

The Bower Tide Seeker is praised for its creative execution and detailed dial, featuring a unique tide hand and thick lume. Reviewers note its 39mm case and 10mm thickness are well-proportioned for comfort and wearability. A primary criticism is the inclusion of a leather strap, which is unsuitable for water activities, though strap-changing is made easy. Overall, reviewers rate the Bower Tide Seeker highly as a great, accessible option for beach lovers due to its simple and easy-to-read tide functionality.

Yema Superman Slim CMM.20

Owners widely praise the Yema Superman Slim CMM.20's appealing retro design, 39mm case, and the in-house CMM.20 micro-rotor movement, with some specifically noting the fish scale bracelet. Reviewers and owners alike mention the movement's design can lead to a "jittery" seconds hand, though Yema states this does not impact performance. Some owners question the $2500 MSRP, finding it overpriced, while others note initial stiffness in the bracelet that improves with wear. Finishing inconsistencies were noted on a prototype, and the stamped clasp on the bracelet is considered subpar by one reviewer. Overall, owners and reviewers find the Yema Superman Slim CMM.20 a compelling option for its vintage styling and unique micro-rotor movement, despite some concerns about its value proposition and minor execution details.

From video reviewers

The upgraded CMM.20 micro-rotor movement is a significant enhancement. Reviewers noted the slim profile and redesigned case. One reviewer indicated a significant flaw was discussed, but the nature of this imperfection was not specified.

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