Side by side

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

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

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

At a glance

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

The Tornek-Rayville TR-660 Acrylic Non-date is a 40mm bead-blasted stainless steel watch with a utilitarian matte black dial and a moisture detector, measuring 14.7mm thick and 48.5mm lug-to-lug, featuring a subtly domed, AR-coated crystal. One owner notes a preference for a different watch's bezel-locking mechanism but appreciates the TR-660's 20mm lug size. Another owner reports damage to the case and bezel, though it includes unused and worn straps. On balance, owners find the Tornek-Rayville TR-660 Acrylic Non-date to have a timeless design that remains appealing.

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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