Side by side
Aera Instruments M-1vsBoldr Globetrotter GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
M-139mm
Globetrotter GMT40mm
Power Reserve
M-142h
Globetrotter GMT40h
Water Resistance
M-1100m
Globetrotter GMT200m
MSRP
M-1—
Globetrotter GMT$469
Full specifications
Case
5 specsCategory
—
GMT
Diameter
39mm
40mm
Thickness
13.14mm
12.7mm
Lug-to-Lug
47.6mm
48mm
Water Resistance
100m
200m
Crystal & Dial
2 specsAR Coating
Inner
Yes
Dial Color
Dune
GMT Banff
Movement
3 specsCaliber
Sellita SW216-1
Seiko NH34 GMT
Type
Manual
Automatic
Power Reserve
42h
40h
Pricing
1 specsMSRP
—
$469
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