Side by side
Jack Mason Strat-o-timer GMTvsMarathon Steel Navigator SSNAV Auto
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Strat-o-timer GMT40mm
Steel Navigator SSNAV Auto41mm
Power Reserve
Strat-o-timer GMT42h
Steel Navigator SSNAV Auto40h
Water Resistance
Strat-o-timer GMT200m
Steel Navigator SSNAV Auto60m
MSRP
Strat-o-timer GMT$1,099
Steel Navigator SSNAV Auto$1,300
Full specifications
Case
6 specsCategory
—
Pilot
Diameter
40mm
41mm
Thickness
13.2mm
11.5mm
Lug-to-Lug
47mm
48mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
60m
Crystal & Dial
1 specsDial Color
—
Black
Movement
2 specsCaliber
Miyota 9075
Sellita SW200-1
Power Reserve
42h
40h
Pricing
1 specsMSRP
$1,099
$1,300
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