Side by side

Tornek-Rayville CISO M38 FieldvsTudor Black Bay 58

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

CISO M38 Field
Tornek-RayvilleCISO M38 Field
MSRP $695
Black Bay 58
TudorBlack Bay 58
MSRP $5,350

At a glance

17 of 29 specs differ
Diameter
CISO M38 Field38mm
Black Bay 5839mm
Power Reserve
CISO M38 Field42h
Black Bay 5865h
Water Resistance
CISO M38 Field100m
Black Bay 58200m
MSRP
CISO M38 Field$695
Black Bay 58$5,350

Full specifications

Case

7 specs
Category
Diver
Diameter
38mm
39mm
Thickness
12.45mm
11.7mm
Lug-to-Lug
43.6mm
46mm
Finish
Brushed and polished
Polished + Satin
Water Resistance
100m
200m
Caseback
Solid
Solid screw-down

Crystal & Dial

3 specs
Crystal Shape
Flat
AR Coating
Yes
Lume
Superluminova
None

Movement

6 specs
Caliber
TMI NH36
MT5400-U
Beat Rate
28,800 vph
0 vph
Power Reserve
42h
65h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$695
$5,350

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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 CISO M38 Field

Owners widely report the Tornek-Rayville CISO M38 Field offers high overall quality with a comfortable bracelet featuring single-sided screw links. The watch exhibits minimal wear, with only hairline scratches and a faint, difficult-to-photograph bezel mark. On balance, owners value the Tornek-Rayville CISO M38 Field for its robust build and comfortable wearability.

Tudor Black Bay 58

The Tudor Black Bay 58 is widely praised for its superb wearing experience, perfect proportions, and comfortable wearability, with owners anticipating it becoming a Tudor classic. Reviewers highlight its substantial, rugged build quality and significant value, rivaling more expensive timepieces. One owner notes the clasp's sharp shield as a minor annoyance.

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