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
11 of 29 specs differDiameter
Strat-o-timer GMT42mm
DiveMaster 30041mm
Power Reserve
Strat-o-timer GMT40h
DiveMaster 30042h
Water Resistance
Strat-o-timer GMT200m
DiveMaster 300300m
MSRP
Strat-o-timer GMT$1,149
DiveMaster 300$401
Full specifications
Case
6 specsDiameter
42mm
41mm
Thickness
13.2mm
12.8mm
Lug-to-Lug
49mm
47mm
Lug Width
22mm
—
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m
300m
Crystal & Dial
2 specsDial Color
—
Black
Lume
None
BGW9
Movement
2 specsCaliber
Miyota 9075
Miyota 9015
Power Reserve
40h
42h
Pricing
1 specsMSRP
$1,149
—
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