Which is cheaper, the Lum-Tec B73 or the Seiko Coutura?

At MSRP the Lum-Tec B73 is the cheaper of the two at $463, against $625 for the Seiko Coutura — a $162 gap before any retailer discounting.

Which is bigger, the Lum-Tec B73 or the Seiko Coutura?

The Seiko Coutura wears larger at 45.3mm versus 44mm for the Lum-Tec B73 — a 1.3mm difference across the dial.

Which has better water resistance, the Lum-Tec B73 or the Seiko Coutura?

The Lum-Tec B73 is rated to 200m versus 10m for the Seiko Coutura.

What movement does the Lum-Tec B73 run compared to the Seiko Coutura?

Both watches run quartz movements — the Lum-Tec B73 uses the Ronda 515 and the Seiko Coutura uses the 8B92.

Side by side

Lum-Tec B73vsSeiko Coutura

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

MSRP $463

MSRP $625

At a glance

13 of 29 specs differ

Diameter

B7344mm

Coutura45.3mm

Power Reserve

B73—

Coutura—

Water Resistance

B73200m

Coutura100m

MSRP

B73$463

Coutura$625

Full specifications

Case

7 specs

Crystal & Dial

3 specs

Crystal

Domed Sapphire

Sapphire

Dial Color

B73

—

Lume

None

LumiBrite on hands and index(es)

Movement

2 specs

Caliber

Ronda 515

8B92

Jewels

Pricing

1 specs

MSRP

$463

$625

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Lum-Tec B73vsSeiko Coutura

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