Side by side

Aera Instruments M-1vsAstor + Banks Chrono

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

M-1
Aera InstrumentsM-1
Chrono
Astor + BanksChrono
MSRP $575

At a glance

11 of 29 specs differ
Diameter
M-139mm
Chrono44mm
Power Reserve
M-142h
Chrono40h
Water Resistance
M-1100m
Chrono100m
MSRP
M-1—
Chrono$575

Full specifications

Case

5 specs
Category
—
Chronograph
Diameter
39mm
44mm
Thickness
13.14mm
—
Lug-to-Lug
47.6mm
—
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

2 specs
Dial Color
Dune
Black
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Sellita SW216-1
Ronda 5050.B
Type
Manual
Quartz
Power Reserve
42h
40h

Pricing

1 specs
MSRP
—
$575

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