Side by side

Lum-Tec B73vsSpinnaker Dumas GMT

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

B73
Lum-TecB73
MSRP $463
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

10 of 29 specs differ
Diameter
B7344mm
Dumas GMT44mm
Power Reserve
B7340h
Dumas GMT40h
Water Resistance
B73200m
Dumas GMT300m
MSRP
B73$463
Dumas GMT$399

Full specifications

Case

5 specs
Category
Sport
GMT
Thickness
—
15mm
Lug-to-Lug
51.5mm
48mm
Material
316L Stainless Steel (DLC coated)
316L Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
B73
Blue

Movement

2 specs
Caliber
Ronda 515
Seiko NH34A
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$463
$399

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