Which is cheaper, the Lum-Tec B73 or the Marathon TSAR (Tritium Search & Rescue) Diver's Quartz?

At MSRP the Lum-Tec B73 is the cheaper of the two at $463, against $1,550 for the Marathon TSAR (Tritium Search & Rescue) Diver's Quartz — a $1,087 gap before any retailer discounting.

Which is bigger, the Lum-Tec B73 or the Marathon TSAR (Tritium Search & Rescue) Diver's Quartz?

The Marathon TSAR (Tritium Search & Rescue) Diver's Quartz wears larger at 46mm versus 44mm for the Lum-Tec B73 — a 2mm difference across the dial.

Which has better water resistance, the Lum-Tec B73 or the Marathon TSAR (Tritium Search & Rescue) Diver's Quartz?

The Marathon TSAR (Tritium Search & Rescue) Diver's Quartz is rated to 300m versus 200m for the Lum-Tec B73.

What movement does the Lum-Tec B73 run compared to the Marathon TSAR (Tritium Search & Rescue) Diver's Quartz?

Both watches run quartz movements — the Lum-Tec B73 uses the Ronda 515 and the Marathon TSAR (Tritium Search & Rescue) Diver's Quartz uses the Swiss High-Torque Quartz.

Side by side

Lum-Tec B73vsMarathon TSAR (Tritium Search & Rescue) Diver's Quartz

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

Lum-Tec B73

combat-b73-pre-order

MSRP $463

Marathon TSAR (Tritium Search & Rescue) Diver's Quartz

41mm-official-duvdevan-large-divers-quartz-tsar

MSRP $1,550

At a glance

11 of 29 specs differ

Diameter

B7344mm

TSAR (Tritium Search & Rescue) Diver's Quartz46mm

Power Reserve

B7340h

TSAR (Tritium Search & Rescue) Diver's Quartz40h

Water Resistance

B73200m

TSAR (Tritium Search & Rescue) Diver's Quartz300m

MSRP

B73$463

TSAR (Tritium Search & Rescue) Diver's Quartz$1,550

Full specifications

Case

7 specs

Crystal & Dial

2 specs

Crystal

Domed Sapphire

Sapphire

Dial Color

B73

Black

Movement

1 specs

Caliber

Ronda 515

Swiss High-Torque Quartz

Pricing

1 specs

MSRP

$463

$1,550

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