Side by side

Lum-Tec B72vsMarathon Steel Navigator SSNAV Quartz

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

B72
Lum-TecB72
MSRP $506
Steel Navigator SSNAV Quartz
MarathonSteel Navigator SSNAV Quartz
MSRP $1,000

At a glance

11 of 29 specs differ
Diameter
B7244mm
Steel Navigator SSNAV Quartz41mm
Power Reserve
B7240h
Steel Navigator SSNAV Quartz40h
Water Resistance
B72200m
Steel Navigator SSNAV Quartz60m
MSRP
B72$506
Steel Navigator SSNAV Quartz$1,000

Full specifications

Case

7 specs
Category
Sport
Pilot
Diameter
44mm
41mm
Thickness
—
11mm
Lug-to-Lug
51.5mm
48mm
Lug Width
22mm
20mm
Material
316L Stainless Steel (DLC coated)
316L Stainless Steel
Water Resistance
200m
60m

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
B72
Black

Movement

1 specs
Caliber
Ronda 515
Swiss High-Torque Quartz

Pricing

1 specs
MSRP
$506
$1,000

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