Side by side
Jack Mason Strat-o-timer GMTvsSeiko DressKX
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
Strat-o-timer GMT42mm
DressKX40mm
Power Reserve
Strat-o-timer GMT40h
DressKX41h
Water Resistance
Strat-o-timer GMT200m
DressKX100m
MSRP
Strat-o-timer GMT$1,149
DressKX$315
Full specifications
Case
7 specsCategory
—
Sport
Diameter
42mm
40mm
Thickness
13.2mm
11.5mm
Lug-to-Lug
49mm
44.6mm
Lug Width
22mm
20mm
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
4R36
Power Reserve
40h
41h
Jewels
25
24
Pricing
1 specsMSRP
$1,149
$315
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