Which is cheaper, the Tornek-Rayville CISO M38 MAC V SOG or the Grand Seiko SBGR321?

At MSRP the Tornek-Rayville CISO M38 MAC V SOG is the cheaper of the two at $745, against $5,200 for the Grand Seiko SBGR321 — a $4,455 gap before any retailer discounting.

Which is bigger, the Tornek-Rayville CISO M38 MAC V SOG or the Grand Seiko SBGR321?

The Grand Seiko SBGR321 wears larger at 40mm versus 38mm for the Tornek-Rayville CISO M38 MAC V SOG — a 2mm difference across the dial.

Which has a longer power reserve, the Tornek-Rayville CISO M38 MAC V SOG or the Grand Seiko SBGR321?

The Grand Seiko SBGR321 carries a 72-hour power reserve against 42 hours on the Tornek-Rayville CISO M38 MAC V SOG.

What movement does the Tornek-Rayville CISO M38 MAC V SOG run compared to the Grand Seiko SBGR321?

Both watches run automatic movements — the Tornek-Rayville CISO M38 MAC V SOG uses the TMI NH36 and the Grand Seiko SBGR321 uses the 9S65.

Side by side

Tornek-Rayville CISO M38 MAC V SOGvsGrand Seiko SBGR321

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

Tornek-Rayville CISO M38 MAC V SOG

ciso-m38-mac-v-sog

MSRP $745

Grand Seiko SBGR321

sbgr321g

MSRP $5,200

At a glance

8 of 29 specs differ

Diameter

CISO M38 MAC V SOG38mm

SBGR32140mm

Power Reserve

CISO M38 MAC V SOG42h

SBGR32172h

Water Resistance

CISO M38 MAC V SOG100m

SBGR321100m

MSRP

CISO M38 MAC V SOG$745

SBGR321$5,200

Full specifications

Case

4 specs

Crystal & Dial

1 specs

Lume

Superluminova

None

Movement

2 specs

Caliber

TMI NH36

9S65

Power Reserve

42h

72h

Pricing

1 specs

MSRP

$745

$5,200

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