Side by side

Lum-Tec B71vsSeiko Prospex Rotocall

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
Prospex Rotocall
SeikoProspex Rotocall
MSRP $550
See the full Prospex Rotocall
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Buy used on eBay ↗
Buy from Seiko ↗
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At a glance

10 of 29 specs differ
Diameter
B7144mm
Prospex Rotocall37mm
Power Reserve
B71—
Prospex Rotocall—
Water Resistance
B71200m
Prospex Rotocall100m
MSRP
B71$506
Prospex Rotocall$550

Full specifications

Case

6 specs
Diameter
44mm
37mm
Thickness
—
10.6mm
Lug-to-Lug
51.5mm
43.5mm
Lug Width
22mm
20mm
Material
316L Stainless Steel (DLC coated)
Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Hardlex
Dial Color
B71
—

Movement

1 specs
Caliber
Ronda 515
A824

Pricing

1 specs
MSRP
$506
$550
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