Side by side
Jack Mason Strat-o-timer GMTvsTissot Seastar 1000
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 GMT40mm
Seastar 100040mm
Power Reserve
Strat-o-timer GMT42h
Seastar 100080h
Water Resistance
Strat-o-timer GMT200m
Seastar 1000300m
MSRP
Strat-o-timer GMT$1,099
Seastar 1000$875
Full specifications
Case
4 specsCategory
—
Diver
Thickness
13.2mm
12.48mm
Lug-to-Lug
47mm
40mm
Water Resistance
200m
300m
Crystal & Dial
4 specsAR Coating
Inner
Yes
Dial Color
—
Graded grey-black
Indices
Applied
Indexes
Lume
None
Super-LumiNova ®
Movement
2 specsCaliber
Miyota 9075
Powermatic 80
Power Reserve
42h
80h
Pricing
1 specsMSRP
$1,099
$875
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