Side by side
Jack Mason Strat-o-timer GMTvsMarnaut Safe Harbour 100C
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 GMT42mm
Safe Harbour 100C39mm
Power Reserve
Strat-o-timer GMT40h
Safe Harbour 100C41h
Water Resistance
Strat-o-timer GMT200m
Safe Harbour 100C100m
MSRP
Strat-o-timer GMT$1,149
Safe Harbour 100C$899
Full specifications
Case
6 specsDiameter
42mm
39mm
Thickness
13.2mm
13mm
Lug-to-Lug
49mm
45mm
Lug Width
22mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m
100m
Crystal & Dial
1 specsDial Color
—
Black
Movement
2 specsCaliber
Miyota 9075
Sellita SW200-1
Power Reserve
40h
41h
Pricing
1 specsMSRP
$1,149
$899
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