Side by side
Jack Mason Strat-o-timer GMTvsSeestern S450 Ocean Star
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
S450 Ocean Star40mm
Power Reserve
Strat-o-timer GMT40h
S450 Ocean Star41h
Water Resistance
Strat-o-timer GMT200m
S450 Ocean Star100m
MSRP
Strat-o-timer GMT$1,149
S450 Ocean Star$299
Full specifications
Case
6 specsCategory
—
Diver
Diameter
42mm
40mm
Thickness
13.2mm
12mm
Lug-to-Lug
49mm
48mm
Lug Width
22mm
20mm
Water Resistance
200m
100m
Crystal & Dial
2 specsDial Color
—
White
Lume
None
Tritium
Movement
5 specsCaliber
Miyota 9075
TMI NH35A
Beat Rate
28,800 vph
21,600 vph
Power Reserve
40h
41h
Jewels
25
24
Complications
None
GMT, Date
Pricing
1 specsMSRP
$1,149
$299
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