Side by side

Aera Instruments M-1vsBremont ionBird

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

M-1
Aera InstrumentsM-1
ionBird
BremontionBird
MSRP $5,800

At a glance

13 of 29 specs differ
Diameter
M-139mm
ionBird43mm
Power Reserve
M-142h
ionBird40h
Water Resistance
M-1100m
ionBird—
MSRP
M-1—
ionBird$5,800

Full specifications

Case

7 specs
Category
—
Pilot
Diameter
39mm
43mm
Thickness
13.14mm
—
Lug-to-Lug
47.6mm
—
Lug Width
20mm
—
Material
Stainless Steel
Titanium
Water Resistance
100m
—

Crystal & Dial

2 specs
Dial Color
Dune
Regular length (15cm - 19cm wrist size)
Lume
Super-LumiNova
None

Movement

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

Pricing

1 specs
MSRP
—
$5,800

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