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
12 of 29 specs differDiameter
Strat-o-timer GMT40mm
5 Sports SKX series38mm
Power Reserve
Strat-o-timer GMT42h
5 Sports SKX series41h
Water Resistance
Strat-o-timer GMT200m
5 Sports SKX series100m
MSRP
Strat-o-timer GMT$1,099
5 Sports SKX series$350
Full specifications
Case
5 specsCategory
—
Diver
Diameter
40mm
38mm
Thickness
13.2mm
12.1mm
Lug-to-Lug
47mm
44.2mm
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
4R36
Power Reserve
42h
41h
Jewels
25
24
Pricing
1 specsMSRP
$1,099
$350
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