Side by side

Tornek-Rayville CISO M38 MAC V SOGvsSeiko 5 Sports SKX series

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

Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures

Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures

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 MAC V SOG

The Tornek-Rayville CISO M38 MAC V SOG is praised for its solid feel and excellent finishing, featuring a comfortable five-link bracelet. It is recognized as an homage to a 1960s Seiko used by MACV-SOG operatives, incorporating modern updates like a 38mm case. Owners and community members express admiration for the watch's historical connection to "spooky" Special Forces operations. Overall, owners rate the Tornek-Rayville CISO M38 MAC V SOG highly for its historical significance and solid build quality at the price.

Seiko 5 Sports SKX series

Owners widely praise the Seiko 5 Sports SKX series for its iconic dive watch design, robust build, and excellent value, with many appreciating its timeless styling and tool-like character. The movement, while basic, is noted as offering hacking and hand-winding capabilities, and accuracy varies, with many owners reporting +/-5 to 10 seconds per day despite the movement's potential for +/-40 seconds. Some owners find the original SKX models heavier and bulkier than newer iterations, while others critique the lack of a screw-down crown and ISO rating on the newer Seiko 5 Sports SKX series, deeming it less of a serious tool watch. Overall, owners rate the Seiko 5 Sports SKX series highly for its enduring design and value proposition as a robust, everyday watch.

At a glance

12 of 29 specs differ
Diameter
CISO M38 MAC V SOG38mm
5 Sports SKX series28mm
Power Reserve
CISO M38 MAC V SOG42h
5 Sports SKX series40h
Water Resistance
CISO M38 MAC V SOG100m
5 Sports SKX series100m
MSRP
CISO M38 MAC V SOG$745
5 Sports SKX series$315

Full specifications

Case

5 specs
Category
Sport
Diameter
38mm
28mm
Thickness
12.45mm
11.2mm
Lug-to-Lug
43.6mm
33.1mm
Lug Width
20mm
14mm

Crystal & Dial

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

Movement

3 specs
Caliber
Seiko NH36
Seiko 2R06
Power Reserve
42h
40h
Jewels
0
21

Pricing

1 specs
MSRP
$745
$315
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Follow this matchup

Get a note when Tornek-Rayville CISO M38 MAC V SOG vs Seiko 5 Sports SKX series gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.