Side by side
Jack Mason Strat-o-timer GMTvsUndone Aero Worldtimer "Doolittle"
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
8 of 29 specs differDiameter
Strat-o-timer GMT40mm
Aero Worldtimer "Doolittle"40mm
Power Reserve
Strat-o-timer GMT42h
Aero Worldtimer "Doolittle"—
Water Resistance
Strat-o-timer GMT200m
Aero Worldtimer "Doolittle"100m
MSRP
Strat-o-timer GMT$1,099
Aero Worldtimer "Doolittle"$399
Full specifications
Case
4 specsThickness
13.2mm
15mm
Lug-to-Lug
47mm
0mm
Lug Width
20mm
0mm
Water Resistance
200m
100m
Crystal & Dial
1 specsCrystal
Sapphire
—
Movement
2 specsCaliber
Miyota 9075
Seiko NH35
Power Reserve
42h
—
Pricing
1 specsMSRP
$1,099
$399
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