Side by side
Jack Mason Strat-o-timer GMTvsGrand Seiko SBGA413
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Strat-o-timer GMT42mm
SBGA41340mm
Power Reserve
Strat-o-timer GMT40h
SBGA41372h
Water Resistance
Strat-o-timer GMT200m
SBGA413100m
MSRP
Strat-o-timer GMT$1,149
SBGA413$7,200
Full specifications
Case
7 specsCategory
—
Dress
Diameter
42mm
40mm
Thickness
13.2mm
12.8mm
Lug-to-Lug
49mm
47mm
Lug Width
22mm
21mm
Material
316L Stainless Steel
Titanium
Water Resistance
200m
100m
Crystal & Dial
2 specsAR Coating
Inner
Yes
Dial Color
—
Black
Movement
3 specsCaliber
Miyota 9075
9R65
Type
Automatic
Spring Drive
Power Reserve
40h
72h
Pricing
1 specsMSRP
$1,149
$7,200
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