Side by side
Lum-Tec B64 ChronographvsMarathon MSAR (Medium Search & Rescue) Diver's Quartz
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
B64 Chronograph44mm
MSAR (Medium Search & Rescue) Diver's Quartz36mm
Power Reserve
B64 Chronograph40h
MSAR (Medium Search & Rescue) Diver's Quartz40h
Water Resistance
B64 Chronograph100m
MSAR (Medium Search & Rescue) Diver's Quartz300m
MSRP
B64 Chronograph$545
MSAR (Medium Search & Rescue) Diver's Quartz$1,450
Full specifications
Case
7 specsCategory
Chronograph
Diver
Diameter
44mm
36mm
Thickness
—
18mm
Lug-to-Lug
51.5mm
—
Lug Width
22mm
18mm
Material
Titanium (DLC coated)
316L Stainless Steel
Water Resistance
100m
300m
Crystal & Dial
2 specsCrystal
Domed Sapphire
Sapphire
Dial Color
Standard
Black
Movement
2 specsCaliber
—
Swiss High-Torque Quartz
Type
Automatic
Quartz
Pricing
1 specsMSRP
$545
$1,450
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