Side by side

Tornek-Rayville TR-660 Aluminum Non-datevsYema Navygraf CMM.10

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

TR-660 Aluminum Non-date
Tornek-RayvilleTR-660 Aluminum Non-date
Navygraf CMM.10
YemaNavygraf CMM.10
MSRP $1,899

At a glance

13 of 29 specs differ
Diameter
TR-660 Aluminum Non-date40mm
Navygraf CMM.1039mm
Power Reserve
TR-660 Aluminum Non-date50h
Navygraf CMM.1040h
Water Resistance
TR-660 Aluminum Non-date200m
Navygraf CMM.10100m
MSRP
TR-660 Aluminum Non-date
Navygraf CMM.10$1,899

Full specifications

Case

6 specs
Diameter
40mm
39mm
Thickness
14.7mm
11mm
Lug-to-Lug
48.5mm
46mm
Lug Width
20mm
19mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

4 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Yes
Inner
Dial Color
Black
Standard
Lume
Superluminova
None

Movement

2 specs
Caliber
TMI NH38
Yema CMM.10
Power Reserve
50h
40h

Pricing

1 specs
MSRP
$1,899

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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.

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 Navygraf CMM.10

Owners widely report quality control concerns and suspect craftsmanship with the Yema Navygraf, with one user noting crooked text. A reviewer praised the Slim CMM.20 Limited Edition for its stylish, slim profile and classy finishing on a black lacquered enamel dial, though the audible micro-rotor spinning at its price point was a surprise. On balance, the consensus is that while the Yema Navygraf offers a stylish design, potential buyers should be aware of reported quality control issues.

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