Which is cheaper, the Lum-Tec B64 Chronograph or the Marathon Steel Navigator SSNAV-D Auto?

At MSRP the Lum-Tec B64 Chronograph is the cheaper of the two at $545, against $1,400 for the Marathon Steel Navigator SSNAV-D Auto — a $855 gap before any retailer discounting.

Which is bigger, the Lum-Tec B64 Chronograph or the Marathon Steel Navigator SSNAV-D Auto?

The Lum-Tec B64 Chronograph wears larger at 44mm versus 41mm for the Marathon Steel Navigator SSNAV-D Auto — a 3mm difference across the dial.

Which has better water resistance, the Lum-Tec B64 Chronograph or the Marathon Steel Navigator SSNAV-D Auto?

The Lum-Tec B64 Chronograph is rated to 100m versus 60m for the Marathon Steel Navigator SSNAV-D Auto.

Side by side

Lum-Tec B64 ChronographvsMarathon Steel Navigator SSNAV-D Auto

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

Lum-Tec B64 Chronograph

b64-chronograph

MSRP $545

Marathon Steel Navigator SSNAV-D Auto

41mm-steel-navigator-automatic-w-date-ssnav-d-on-ballistic-nylon

MSRP $1,400

At a glance

11 of 29 specs differ

Diameter

B64 Chronograph44mm

Steel Navigator SSNAV-D Auto41mm

Power Reserve

B64 Chronograph40h

Steel Navigator SSNAV-D Auto40h

Water Resistance

B64 Chronograph100m

Steel Navigator SSNAV-D Auto60m

MSRP

B64 Chronograph$545

Steel Navigator SSNAV-D Auto$1,400

Full specifications

Case

7 specs

Crystal & Dial

2 specs

Crystal

Domed Sapphire

Sapphire

Dial Color

Standard

Black

Movement

1 specs

Caliber

—

Sellita SW220-1

Pricing

1 specs

MSRP

$545

$1,400

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