Side by side

Aera Instruments M-1vsBremont Altitude Perpetual Calendar GMT

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

M-1
Aera InstrumentsM-1
Altitude Perpetual Calendar GMT
BremontAltitude Perpetual Calendar GMT
MSRP $38,450

At a glance

13 of 29 specs differ
Diameter
M-139mm
Altitude Perpetual Calendar GMT42mm
Power Reserve
M-142h
Altitude Perpetual Calendar GMT40h
Water Resistance
M-1100m
Altitude Perpetual Calendar GMT—
MSRP
M-1—
Altitude Perpetual Calendar GMT$38,450

Full specifications

Case

7 specs
Category
—
GMT
Diameter
39mm
42mm
Thickness
13.14mm
12.65mm
Lug-to-Lug
47.6mm
—
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium
Water Resistance
100m
—

Crystal & Dial

2 specs
Dial Color
Dune
Blue
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Sellita SW216-1
—
Type
Manual
Automatic
Power Reserve
42h
40h

Pricing

1 specs
MSRP
—
$38,450

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