Which is cheaper, the Tornek-Rayville CISO M38 MAC V SOG or the Grand Seiko SLGA015?

At MSRP the Tornek-Rayville CISO M38 MAC V SOG is the cheaper of the two at $745, against $12,600 for the Grand Seiko SLGA015 — a $11,855 gap before any retailer discounting.

Which is bigger, the Tornek-Rayville CISO M38 MAC V SOG or the Grand Seiko SLGA015?

The Grand Seiko SLGA015 wears larger at 43.8mm versus 38mm for the Tornek-Rayville CISO M38 MAC V SOG — a 5.8mm difference across the dial.

Which has better water resistance, the Tornek-Rayville CISO M38 MAC V SOG or the Grand Seiko SLGA015?

The Grand Seiko SLGA015 is rated to 200m versus 100m for the Tornek-Rayville CISO M38 MAC V SOG.

Which has a longer power reserve, the Tornek-Rayville CISO M38 MAC V SOG or the Grand Seiko SLGA015?

The Grand Seiko SLGA015 carries a 120-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 SLGA015?

The Tornek-Rayville CISO M38 MAC V SOG runs a automatic caliber (TMI NH36), while the Grand Seiko SLGA015 runs a spring drive (9RA5).

Side by side

Tornek-Rayville CISO M38 MAC V SOGvsGrand Seiko SLGA015

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 SLGA015

slga015g

MSRP $12,600

At a glance

12 of 29 specs differ

Diameter

CISO M38 MAC V SOG38mm

SLGA01543.8mm

Power Reserve

CISO M38 MAC V SOG42h

SLGA015120h

Water Resistance

CISO M38 MAC V SOG100m

SLGA015200m

MSRP

CISO M38 MAC V SOG$745

SLGA015$12,600

Full specifications

Case

7 specs

Crystal & Dial

1 specs

Lume

Superluminova

None

Movement

3 specs

Caliber

TMI NH36

9RA5

Type

Automatic

Spring Drive

Power Reserve

42h

120h

Pricing

1 specs

MSRP

$745

$12,600

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