Which is cheaper, the Oak & Oscar The Humboldt GMT Titanium or the Tornek-Rayville CISO M38 Field?

At MSRP the Tornek-Rayville CISO M38 Field is the cheaper of the two at $695, against $2,950 for the Oak & Oscar The Humboldt GMT Titanium — a $2,255 gap before any retailer discounting.

Which is bigger, the Oak & Oscar The Humboldt GMT Titanium or the Tornek-Rayville CISO M38 Field?

The Oak & Oscar The Humboldt GMT Titanium wears larger at 39.5mm versus 38mm for the Tornek-Rayville CISO M38 Field — a 1.5mm difference across the dial.

Which has better water resistance, the Oak & Oscar The Humboldt GMT Titanium or the Tornek-Rayville CISO M38 Field?

The Oak & Oscar The Humboldt GMT Titanium is rated to 200m versus 100m for the Tornek-Rayville CISO M38 Field.

Which has a longer power reserve, the Oak & Oscar The Humboldt GMT Titanium or the Tornek-Rayville CISO M38 Field?

The Tornek-Rayville CISO M38 Field carries a 42-hour power reserve against 56 hours hours on the Oak & Oscar The Humboldt GMT Titanium.

What movement does the Oak & Oscar The Humboldt GMT Titanium run compared to the Tornek-Rayville CISO M38 Field?

Both watches run automatic movements — the Oak & Oscar The Humboldt GMT Titanium uses the Sellita SW330 and the Tornek-Rayville CISO M38 Field uses the TMI NH36.

Side by side

Oak & Oscar The Humboldt GMT TitaniumvsTornek-Rayville CISO M38 Field

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

Oak & Oscar The Humboldt GMT Titanium

HMBDLTGMTTI

MSRP $2,950

Tornek-Rayville CISO M38 Field

soa

MSRP $695

At a glance

15 of 29 specs differ

Diameter

The Humboldt GMT Titanium39.5mm

CISO M38 Field38mm

Power Reserve

The Humboldt GMT Titanium56 hoursh

CISO M38 Field42h

Water Resistance

The Humboldt GMT Titanium200m

CISO M38 Field100m

MSRP

The Humboldt GMT Titanium$2,950

CISO M38 Field$695

Full specifications

Case

7 specs

Crystal & Dial

4 specs

Crystal Shape

Double-domed

Flat

AR Coating

Underside

Yes

Dial Color

Green

Black

Lume

Super-LumiNova

Superluminova

Movement

3 specs

Caliber

Sellita SW330

TMI NH36

Beat Rate

4 vph

28,800 vph

Power Reserve

56 hoursh

42h

Pricing

1 specs

MSRP

$2,950

$695

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