Side by side
Aera Instruments M-1vsJack Mason Strat-o-timer GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
M-139mm
Strat-o-timer GMT42mm
Power Reserve
M-142h
Strat-o-timer GMT40h
Water Resistance
M-1100m
Strat-o-timer GMT200m
MSRP
M-1—
Strat-o-timer GMT$1,149
Full specifications
Case
6 specsDiameter
39mm
42mm
Thickness
13.14mm
13.2mm
Lug-to-Lug
47.6mm
49mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
200m
Crystal & Dial
2 specsDial Color
Dune
—
Lume
Super-LumiNova
None
Movement
3 specsCaliber
Sellita SW216-1
Miyota 9075
Type
Manual
Automatic
Power Reserve
42h
40h
Pricing
1 specsMSRP
—
$1,149
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