Side by side

Lum-Tec B71vsSpinnaker Dumas Automatic

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

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B71
Lum-TecB71
MSRP $506
See the full B71
Dumas Automatic
SpinnakerDumas Automatic
MSRP $239
See the full Dumas Automatic
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At a glance

10 of 29 specs differ
Diameter
B7144mm
Dumas Automatic44mm
Power Reserve
B71—
Dumas Automatic—
Water Resistance
B71200m
Dumas Automatic300m
MSRP
B71$506
Dumas Automatic$239

Full specifications

Case

5 specs
Category
Sport
Diver
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
B71
Blue

Movement

2 specs
Caliber
Ronda 515
Seiko NH35
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$506
$239
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