Marathon Jeep Willys SSGPMvsMaughan Jones Spectra Pro
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Jeep Willys SSGPM

Spectra Pro
Diameter
41mm
42mm
Lug-to-Lug
48mm
n/a
Thickness
11mm
n/a
Water Resistance
30m
50m
highest
MSRP
$780
$235
lowest
Movement
Sellita SW210-1
Automatic
Case
6 specsDiameter
41mm
42mm
Thickness
11mm
n/a
Lug-to-Lug
48mm
n/a
Lug Width
20mm
n/a
Material
316L Stainless Steel
Stainless Steel
Water Resistance
30m
50m
Crystal & Dial
1 specsDial Color
Black
n/a
Movement
3 specsCaliber
Sellita SW210-1
n/a
Type
Manual
Automatic
Power Reserve
0h
n/a
Pricing
1 specsMSRP
$780
$235
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