Which is cheaper, the Lum-Tec B73 or the Praesidus A-11 Origin?

At MSRP the Praesidus A-11 Origin is the cheaper of the two at $195, against $463 for the Lum-Tec B73 — a $268 gap before any retailer discounting.

Which is bigger, the Lum-Tec B73 or the Praesidus A-11 Origin?

The Lum-Tec B73 wears larger at 44mm versus 40mm for the Praesidus A-11 Origin — a 4mm difference across the dial.

Which has better water resistance, the Lum-Tec B73 or the Praesidus A-11 Origin?

The Lum-Tec B73 is rated to 200m versus 100m for the Praesidus A-11 Origin.

What movement does the Lum-Tec B73 run compared to the Praesidus A-11 Origin?

Both watches run quartz movements — the Lum-Tec B73 uses the Ronda 515 and the Praesidus A-11 Origin uses the Ronda 763.

Side by side

Lum-Tec B73vsPraesidus A-11 Origin

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

Add a watch

Lum-Tec B73

MSRP $463

See the full B73

Praesidus A-11 Origin

P-40-MB-GRK1

MSRP $195

See the full A-11 Origin

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At a glance

10 of 29 specs differ

Diameter

B7344mm

A-11 Origin40mm

Power Reserve

B73—

A-11 Origin—

Water Resistance

B73200m

A-11 Origin100m

MSRP

B73$463

A-11 Origin$195

Full specifications

Case

6 specs

Crystal & Dial

2 specs

Crystal

Domed Sapphire

Sapphire

Dial Color

B73

Black

Movement

1 specs

Caliber

Ronda 515

Ronda 763

Pricing

1 specs

MSRP

$463

$195

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Lum-Tec B73vsPraesidus A-11 Origin

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