Side by side

Tornek-Rayville TR-660 Acrylic Non-datevsYema Pearldiver

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
Pearldiver
YemaPearldiver
MSRP $491

At a glance

11 of 29 specs differ
Diameter
TR-660 Acrylic Non-date40mm
Pearldiver38mm
Power Reserve
TR-660 Acrylic Non-date50h
Pearldiver40h
Water Resistance
TR-660 Acrylic Non-date200m
Pearldiver100m
MSRP
TR-660 Acrylic Non-date
Pearldiver$491

Full specifications

Case

5 specs
Diameter
40mm
38mm
Thickness
14.7mm
14mm
Lug-to-Lug
48.5mm
46mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Black
Steel
Lume
Superluminova
None

Movement

2 specs
Caliber
TMI NH38
Power Reserve
50h
40h

Pricing

1 specs
MSRP
$491

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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 Pearldiver

Owners widely praise the Yema Pearldiver's vintage aesthetic, clean dial, and sub-40mm dimensions with short lug-to-lug, noting its in-house movement and solid build quality. Accuracy figures range from dead-on at 0 seconds per day to +2 seconds per day, though some owners have reported dead-on-arrival movements requiring returns. The bracelet clasp is described by one owner as "pretty cheap." Some find the design pedestrian and lacking uniqueness, with the faux lume color noted as too dark by one commenter. Overall, owners rate the Yema Pearldiver highly for its vintage appeal and wearable dimensions at the price.

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