Side by side

Tornek-Rayville TR-660 Sapphire Non-datevsTudor Black Bay 58 Bronze

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

TR-660 Sapphire Non-date
Tornek-RayvilleTR-660 Sapphire Non-date
Black Bay 58 Bronze
TudorBlack Bay 58 Bronze
MSRP $5,850

At a glance

16 of 29 specs differ
Diameter
TR-660 Sapphire Non-date40mm
Black Bay 58 Bronze39mm
Power Reserve
TR-660 Sapphire Non-date50h
Black Bay 58 Bronze70h
Water Resistance
TR-660 Sapphire Non-date200m
Black Bay 58 Bronze200m
MSRP
TR-660 Sapphire Non-date
Black Bay 58 Bronze$5,850

Full specifications

Case

6 specs
Diameter
40mm
39mm
Thickness
14.7mm
11.9mm
Lug-to-Lug
48.5mm
46mm
Material
Stainless Steel
Bronze
Finish
Brushed and polished
Brushed + Satin
Caseback
Solid
Engraved

Crystal & Dial

3 specs
Crystal Shape
Flat
AR Coating
Yes
Lume
Superluminova
None

Movement

6 specs
Caliber
TMI NH38
MT5400
Beat Rate
28,800 vph
0 vph
Power Reserve
50h
70h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$5,850

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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 Sapphire Non-date

Owners widely praise the Tornek-Rayville TR-660 for its quality, good timekeeping, and suitability as a military diver reissue. The 40mm bead-blasted 316L stainless steel case, sapphire bezel inlay, and Arclite Super LumiNova are noted features, powered by a Japanese TMI NH38 automatic movement and water-resistant to 20 ATMs. Some owners suggest alternatives due to availability issues with the small-batch releases. Overall, owners rate the Tornek-Rayville TR-660 highly for its faithful reissue design and quality build at its price point.

Tudor Black Bay 58 Bronze

The Tudor Black Bay 58 Bronze is widely praised for its unique, evolving aesthetic driven by its developing bronze patina, which owners describe as an incremental pleasure and a conversation starter. Reviewers highlight its warm, vintage feel, achieved through the aging bronze case, root-beer brown bezel, and rose gold-toned dive scale, complemented by applied Arabic numerals on a 39mm case. The MT5400 movement is noted for its 70-hour power reserve and COSC-certified accuracy, with one owner reporting a net loss of about one second every three days. The bezel action is described as firm and reassuring, tighter than steel Black Bay models. Owners report the watch wears well dressed up or down, and its finishing is favorably compared to higher-end brands. However, some owners note the soft bronze case scratches easily and can cause blueing on the wrist in hot weather.

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