Side by side

Lum-Tec B72vsProTek Watches Model PT4101SF USMC Carbon Dive

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

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B72
Lum-TecB72
MSRP $506
See the full B72
Model PT4101SF USMC Carbon Dive
ProTek WatchesModel PT4101SF USMC Carbon Dive
MSRP $575
See the full Model PT4101SF USMC Carbon Dive
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At a glance

10 of 29 specs differ
Diameter
B7244mm
Model PT4101SF USMC Carbon Dive45mm
Power Reserve
B72—
Model PT4101SF USMC Carbon Dive—
Water Resistance
B72200m
Model PT4101SF USMC Carbon Dive300m
MSRP
B72$506
Model PT4101SF USMC Carbon Dive$575

Full specifications

Case

6 specs
Category
Sport
—
Diameter
44mm
45mm
Thickness
—
0mm
Lug-to-Lug
51.5mm
0mm
Material
316L Stainless Steel (DLC coated)
Carbon
Water Resistance
200m
300m

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
B72
—

Movement

1 specs
Caliber
Ronda 515
Miyota 2035

Pricing

1 specs
MSRP
$506
$575
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