Side by side
Jack Mason Strat-o-timer GMTvsSeagull Tonneau Case Day-date Calendar Watch 34mm
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
Strat-o-timer GMT40mm
Tonneau Case Day-date Calendar Watch 34mm34mm
Power Reserve
Strat-o-timer GMT42h
Tonneau Case Day-date Calendar Watch 34mm—
Water Resistance
Strat-o-timer GMT200m
Tonneau Case Day-date Calendar Watch 34mm50m
MSRP
Strat-o-timer GMT$1,099
Tonneau Case Day-date Calendar Watch 34mm$489
Full specifications
Case
5 specsDiameter
40mm
34mm
Thickness
13.2mm
12mm
Lug-to-Lug
47mm
40mm
Lug Width
20mm
11mm
Water Resistance
200m
50m
Crystal & Dial
1 specsDial Color
—
—
Movement
2 specsCaliber
Miyota 9075
ST2100
Power Reserve
42h
0h
Pricing
1 specsMSRP
$1,099
$489
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