ProTek Watches Model PT3103vsYema 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.

ProTek Watches Model PT3103 at true scale

Model PT3103

Yema Superman Slim CMM.20 at true scale

Superman Slim CMM.20

Diameter

40mm

39mm

Thickness

11mm

9.9mm

lowest

Water Resistance

100m

300m

highest

MSRP

$550

lowest

$2,372

Movement

Quartz

Yema CMM.20

Case

5 specs
Diameter
40mm
39mm
Thickness
11mm
9.95mm
Lug-to-Lug
n/a
n/a
Material
Titanium
316L Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

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

Movement

2 specs
Caliber
n/a
Yema CMM.20
Type
Quartz
Mechanical

Pricing

1 specs
MSRP
$550
$2,372
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Reviews

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

ProTek Watches Model PT3103

The ProTek Watches Model PT3103 is praised for its comfortable 40mm wearability and durable titanium case, with owners noting excellent tritium illumination. One owner reported a discounted price of $552. The quartz movement, while acknowledged as not horologically significant, is noted for its reliability. A reviewer wished for a screw-down crown and a minute hand that reached the minute track. Overall, owners and reviewers rate the ProTek Watches Model PT3103 highly for its durable construction and excellent tritium lume at the price point.

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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