Side by side
Jack Mason Strat-o-timer GMTvsSheffield 1A SCR II Blue
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
6 of 29 specs differDiameter
Strat-o-timer GMT40mm
1A SCR II Blue40mm
Power Reserve
Strat-o-timer GMT42h
1A SCR II Blue40h
Water Resistance
Strat-o-timer GMT200m
1A SCR II Blue200m
MSRP
Strat-o-timer GMT$1,099
1A SCR II Blue$278
Full specifications
Case
2 specsThickness
13.2mm
13mm
Lug-to-Lug
47mm
48mm
Crystal & Dial
1 specsDial Color
—
Blue
Movement
2 specsCaliber
Miyota 9075
Seiko NH35
Power Reserve
42h
40h
Pricing
1 specsMSRP
$1,099
—
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