Side by side
Jack Mason Strat-o-timer GMTvsSugess Ocean Star S421
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Strat-o-timer GMT40mm
Ocean Star S42140mm
Power Reserve
Strat-o-timer GMT42h
Ocean Star S42140h
Water Resistance
Strat-o-timer GMT200m
Ocean Star S421300m
MSRP
Strat-o-timer GMT$1,099
Ocean Star S421$449
Full specifications
Case
4 specsCategory
—
Diver
Thickness
13.2mm
12.7mm
Lug-to-Lug
47mm
46mm
Water Resistance
200m
300m
Crystal & Dial
1 specsDial Color
—
SU116610LB Black
Movement
4 specsCaliber
Miyota 9075
Seagull ST2130/Seiko NH35
Beat Rate
28,800 vph
4 vph
Power Reserve
42h
40h
Complications
None
GMT, Chronograph, Moonphase, Date
Pricing
1 specsMSRP
$1,099
$449
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