Side by side

Tornek-Rayville CISO M38 FieldvsSeiko 5 Sports SKX series

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
5 Sports SKX series
Seiko5 Sports SKX series
MSRP $350

At a glance

10 of 29 specs differ
Diameter
CISO M38 Field38mm
5 Sports SKX series38mm
Power Reserve
CISO M38 Field42h
5 Sports SKX series41h
Water Resistance
CISO M38 Field100m
5 Sports SKX series100m
MSRP
CISO M38 Field$695
5 Sports SKX series$350

Full specifications

Case

3 specs
Category
Diver
Thickness
12.45mm
12.1mm
Lug-to-Lug
43.6mm
44.2mm

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
AR Coating
Yes
Inner
Lume
Superluminova
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
TMI NH36
4R36
Power Reserve
42h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$695
$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.

Seiko 5 Sports SKX series

The Seiko 5 Sports SKX series is widely praised for its value, robust build, and powerful lume, with owners appreciating its comfortable bracelets and improved movement featuring hacking and hand-winding. Some owners find the original SKX models heavy and bulky, while others praise their ruggedness and iconic dive watch design. Reviewers note the 38mm models offer great value at around €350 and are exemplary gateway watches, though their 100m water resistance without a screw-down crown makes them unsuitable for diving. The Seiko 5 Sports SKX series is seen as a decent watch, especially under £200, but lacks the tool watch capabilities of the original SKX, missing a screw-down crown, bezel pip, and ISO rating. On balance, owners and reviewers rate the Seiko 5 Sports SKX series well for its blend of value, improved movement, and tool-watch aesthetic, despite some missing dive certifications.

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