Side by side
Jack Mason Strat-o-timer GMTvsTudor Black Bay
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
Black Bay41mm
Power Reserve
Strat-o-timer GMT40h
Black Bay70h
Water Resistance
Strat-o-timer GMT200m
Black Bay200m
MSRP
Strat-o-timer GMT$1,149
Black Bay—
Full specifications
Case
7 specsCategory
—
Diver
Diameter
42mm
41mm
Thickness
13.2mm
14.7mm
Lug-to-Lug
49mm
46mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Polished + Satin
Caseback
Solid
Engraved
Crystal & Dial
1 specsDial Color
—
Black
Movement
2 specsCaliber
Miyota 9075
MT5602
Power Reserve
40h
70h
Pricing
1 specsMSRP
$1,149
—
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