Side by side

Tornek-Rayville TR-660 Aluminum Non-datevsYema Superman Slim CMM.20

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

The bottom line

The 39mm Superman Slim CMM.20 wears 1mm narrower than the 40mm TR-660 Aluminum Non-date.

What people say

Owners + reviewers, side by side

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

Tornek-Rayville TR-660 Aluminum Non-date

Owners praise the Tornek-Rayville TR-660 Aluminum Non-date for its crisp dial and bead-blasted case, with one owner finding it extremely well built and a relief to wear. The watch features a 40mm 316L stainless steel case and a black aluminum bezel inlay. However, the bezel action is considered not brilliant and the included straps are scratchy. Overall, owners find the Tornek-Rayville TR-660 Aluminum Non-date to be a well-executed piece with a pleasing aesthetic, despite minor drawbacks in the bezel feel and strap quality.

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.

Where to get them

Check prices & track

Tornek-Rayville TR-660 Aluminum Non-date
Tornek-Rayville TR-660 Aluminum Non-date
Yema Superman Slim CMM.20
Yema Superman Slim CMM.20
MSRP $2,372
TR-660 Aluminum Non-date
Tornek-RayvilleTR-660 Aluminum Non-date
Superman Slim CMM.20
YemaSuperman Slim CMM.20
MSRP $2,372

At a glance

11 of 29 specs differ
Diameter
TR-660 Aluminum Non-date40mm
Superman Slim CMM.2039mm
Power Reserve
TR-660 Aluminum Non-date50h
Superman Slim CMM.2040h
Water Resistance
TR-660 Aluminum Non-date200m
Superman Slim CMM.20300m
MSRP
TR-660 Aluminum Non-date
Superman Slim CMM.20$2,372

Full specifications

Case

5 specs
Diameter
40mm
39mm
Thickness
14.7mm
9.95mm
Lug-to-Lug
48.5mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Yes
Inner
Lume
Superluminova
None

Movement

2 specs
Caliber
TMI NH38
Yema CMM.20
Power Reserve
50h
40h

Pricing

1 specs
MSRP
$2,372

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