Side by side
Jack Mason Strat-o-timer GMTvsMatterhorn Watch Co. DiveMaster 300
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
Strat-o-timer GMT40mm
DiveMaster 30041mm
Power Reserve
Strat-o-timer GMT42h
DiveMaster 30042h
Water Resistance
Strat-o-timer GMT200m
DiveMaster 300300m
MSRP
Strat-o-timer GMT$1,099
DiveMaster 300$401
Full specifications
Case
5 specsDiameter
40mm
41mm
Thickness
13.2mm
12.8mm
Lug-to-Lug
47mm
47mm
Lug Width
20mm
—
Water Resistance
200m
300m
Crystal & Dial
2 specsDial Color
—
Black
Lume
None
BGW9
Movement
1 specsCaliber
Miyota 9075
Miyota 9015
Pricing
1 specsMSRP
$1,099
—
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