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

At MSRP the Lum-Tec B64 Chronograph is the cheaper of the two at $545, against $1,000 for the Marathon Steel Navigator SSNAV Quartz — a $455 gap before any retailer discounting.

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

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

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

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

What movement does the Lum-Tec B64 Chronograph run compared to the Marathon Steel Navigator SSNAV Quartz?

The Lum-Tec B64 Chronograph runs a automatic caliber, while the Marathon Steel Navigator SSNAV Quartz runs a quartz (Swiss High-Torque Quartz).

Side by side

Lum-Tec B64 ChronographvsMarathon Steel Navigator SSNAV Quartz

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 Quartz

41mm-steel-navigator-ssnav-on-ballistic-nylon

MSRP $1,000

At a glance

12 of 29 specs differ

Diameter

B64 Chronograph44mm

Steel Navigator SSNAV Quartz41mm

Power Reserve

B64 Chronograph40h

Steel Navigator SSNAV Quartz40h

Water Resistance

B64 Chronograph100m

Steel Navigator SSNAV Quartz60m

MSRP

B64 Chronograph$545

Steel Navigator SSNAV Quartz$1,000

Full specifications

Case

7 specs

Crystal & Dial

2 specs

Crystal

Domed Sapphire

Sapphire

Dial Color

Standard

Black

Movement

2 specs

Caliber

—

Swiss High-Torque Quartz

Type

Automatic

Quartz

Pricing

1 specs

MSRP

$545

$1,000

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