Side by side
Jack Mason Strat-o-timer GMTvsSeiko 5 Sports SKX series
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
5 Sports SKX series42.5mm
Power Reserve
Strat-o-timer GMT40h
5 Sports SKX series41h
Water Resistance
Strat-o-timer GMT200m
5 Sports SKX series100m
MSRP
Strat-o-timer GMT$1,149
5 Sports SKX series$495
Full specifications
Case
6 specsCategory
—
GMT
Diameter
42mm
42.5mm
Thickness
13.2mm
13.6mm
Lug-to-Lug
49mm
46mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m
100m
Crystal & Dial
3 specsCrystal
Sapphire
Hardlex
Dial Color
—
Black
Lume
None
LumiBrite on hands and index(es)
Movement
3 specsCaliber
Miyota 9075
4R34
Power Reserve
40h
41h
Jewels
25
24
Pricing
1 specsMSRP
$1,149
$495
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