Side by side

Lum-Tec B73vsSeiko Essentials Chronograph

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

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B73
Lum-TecB73
MSRP $463
See the full B73
Essentials Chronograph
SeikoEssentials Chronograph
MSRP $265
See the full Essentials Chronograph
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At a glance

10 of 29 specs differ
Diameter
B7344mm
Essentials Chronograph41.5mm
Power Reserve
B73—
Essentials Chronograph—
Water Resistance
B73200m
Essentials Chronograph100m
MSRP
B73$463
Essentials Chronograph$265

Full specifications

Case

6 specs
Category
Sport
Chronograph
Diameter
44mm
41.5mm
Thickness
—
12.1mm
Lug-to-Lug
51.5mm
46.5mm
Material
316L Stainless Steel (DLC coated)
—
Water Resistance
200m
100m

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Hardlex
Dial Color
B73
—

Movement

1 specs
Caliber
Ronda 515
Seiko 8T63

Pricing

1 specs
MSRP
$463
$265
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