Which is cheaper, the Serica Ref. 8315 Travel Chronometer or the Tornek-Rayville CISO M38 MAC V SOG?

At MSRP the Tornek-Rayville CISO M38 MAC V SOG is the cheaper of the two at $745, against $2,479 for the Serica Ref. 8315 Travel Chronometer — a $1,734 gap before any retailer discounting.

Which is bigger, the Serica Ref. 8315 Travel Chronometer or the Tornek-Rayville CISO M38 MAC V SOG?

The Serica Ref. 8315 Travel Chronometer wears larger at 39mm versus 38mm for the Tornek-Rayville CISO M38 MAC V SOG — a 1mm difference across the dial.

Which has better water resistance, the Serica Ref. 8315 Travel Chronometer or the Tornek-Rayville CISO M38 MAC V SOG?

The Serica Ref. 8315 Travel Chronometer is rated to 200m versus 100m for the Tornek-Rayville CISO M38 MAC V SOG.

What movement does the Serica Ref. 8315 Travel Chronometer run compared to the Tornek-Rayville CISO M38 MAC V SOG?

Both watches run automatic movements — the Serica Ref. 8315 Travel Chronometer uses the SOPROD C125 COSC and the Tornek-Rayville CISO M38 MAC V SOG uses the TMI NH36.

Side by side

Serica Ref. 8315 Travel ChronometervsTornek-Rayville CISO M38 MAC V SOG

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

Serica Ref. 8315 Travel Chronometer

8315-1-travel-chronometer

MSRP $2,479

Tornek-Rayville CISO M38 MAC V SOG

ciso-m38-mac-v-sog

MSRP $745

At a glance

10 of 29 specs differ

Diameter

Ref. 8315 Travel Chronometer39mm

CISO M38 MAC V SOG38mm

Power Reserve

Ref. 8315 Travel Chronometer42h

CISO M38 MAC V SOG42h

Water Resistance

Ref. 8315 Travel Chronometer200m

CISO M38 MAC V SOG100m

MSRP

Ref. 8315 Travel Chronometer$2,479

CISO M38 MAC V SOG$745

Full specifications

Case

5 specs

Crystal & Dial

2 specs

Dial Color

GMT - Enamel Black

Black

Lume

Super-LumiNova

Superluminova

Movement

2 specs

Caliber

SOPROD C125 COSC

TMI NH36

Complications

GMT, COSC

None

Pricing

1 specs

MSRP

$2,479

$745

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