Side by side

RZE UTD-8000vsYema Superman Slim CMM.20

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

UTD-8000
RZEUTD-8000
MSRP $279
Superman Slim CMM.20
YemaSuperman Slim CMM.20
MSRP $2,372

At a glance

12 of 29 specs differ
Diameter
UTD-800040mm
Superman Slim CMM.2039mm
Power Reserve
UTD-800040h
Superman Slim CMM.2040h
Water Resistance
UTD-8000200m
Superman Slim CMM.20300m
MSRP
UTD-8000$279
Superman Slim CMM.20$2,372

Full specifications

Case

7 specs
Category
Tool
Diver
Diameter
40mm
39mm
Thickness
13.4mm
9.95mm
Lug-to-Lug
49.5mm
Material
Grade 5 Titanium
316L Stainless Steel
Water Resistance
200m
300m
Caseback
Screw secured titanium caseback
Solid

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Underside
Inner

Movement

2 specs
Caliber
Seiko VK64
Yema CMM.20
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$279
$2,372

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What people say

Owners + reviewers, side by side

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

RZE UTD-8000

The RZE UTD-8000 is praised for its full titanium construction with scratch-resistant coatings and comfortable wearability, offering significant value at its price point. Reviewers note its modern materials like Cerakote-coated titanium and sapphire crystal, though its feature set does not rival more expensive digital competitors. Overall, the RZE UTD-8000 is considered a compelling enthusiast piece for its material execution and value.

Yema Superman Slim CMM.20

Owners and reviewers praise the Yema Superman Slim CMM.20 for its appealing retro design, balanced 39mm case, and in-house CMM.20 micro-rotor movement, with some finding the fish scale bracelet attractive. Concerns exist regarding its $2500/€2,490 MSRP, with some owners questioning its value and noting the potential for QC issues or a "jittery" seconds hand attributed to the new movement. The bracelet's articulation and stamped clasp draw criticism, though some owners report it improves with wear. Overall, owners and reviewers appreciate the Yema Superman Slim CMM.20's vintage styling and unique micro-rotor movement, but its value proposition and some finishing details are points of contention.

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