Which is cheaper, the Oak & Oscar The Humboldt ExP-02 or the Lum-Tec B64 Chronograph?

At MSRP the Lum-Tec B64 Chronograph is the cheaper of the two at $545, against $2,400 for the Oak & Oscar The Humboldt ExP-02 — a $1,855 gap before any retailer discounting.

Which is bigger, the Oak & Oscar The Humboldt ExP-02 or the Lum-Tec B64 Chronograph?

The Lum-Tec B64 Chronograph wears larger at 44mm versus 39.5mm for the Oak & Oscar The Humboldt ExP-02 — a 4.5mm difference across the dial.

Which has better water resistance, the Oak & Oscar The Humboldt ExP-02 or the Lum-Tec B64 Chronograph?

The Oak & Oscar The Humboldt ExP-02 is rated to 200m versus 100m for the Lum-Tec B64 Chronograph.

Which has a longer power reserve, the Oak & Oscar The Humboldt ExP-02 or the Lum-Tec B64 Chronograph?

The Oak & Oscar The Humboldt ExP-02 carries a 56-hour power reserve against 40 hours on the Lum-Tec B64 Chronograph.

Side by side

Oak & Oscar The Humboldt ExP-02vsLum-Tec B64 Chronograph

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

Oak & Oscar The Humboldt ExP-02

ExP02-Hum

MSRP $2,400

Lum-Tec B64 Chronograph

b64-chronograph

MSRP $545

At a glance

16 of 29 specs differ

Diameter

The Humboldt ExP-0239.5mm

B64 Chronograph44mm

Power Reserve

The Humboldt ExP-0256h

B64 Chronograph40h

Water Resistance

The Humboldt ExP-02200m

B64 Chronograph100m

MSRP

The Humboldt ExP-02$2,400

B64 Chronograph$545

Full specifications

Case

8 specs

Crystal & Dial

4 specs

Crystal

Sapphire

Domed Sapphire

Crystal Shape

Double-domed

Flat

Dial Color

Grey

Standard

Lume

Super-LumiNova BGW9

None

Movement

3 specs

Caliber

Sellita SW300

—

Power Reserve

56h

40h

Complications

GMT, Chronograph

None

Pricing

1 specs

MSRP

$2,400

$545

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