Side by side
Duckworth Prestex Belmont 300 AutomaticvsJack Mason Strat-o-timer GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
7 of 29 specs differDiameter
Belmont 300 Automatic42mm
Strat-o-timer GMT40mm
Power Reserve
Belmont 300 Automatic38h
Strat-o-timer GMT42h
Water Resistance
Belmont 300 Automatic300m
Strat-o-timer GMT200m
MSRP
Belmont 300 Automatic$750
Strat-o-timer GMT$1,099
Full specifications
Case
4 specsDiameter
42mm
40mm
Thickness
13mm
13.2mm
Lug-to-Lug
50mm
47mm
Water Resistance
300m
200m
Movement
2 specsCaliber
Miyota 9039
Miyota 9075
Power Reserve
38h
42h
Pricing
1 specsMSRP
$750
$1,099
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