Side by side

Aera Instruments M-1vsHamilton Jazzmaster Maestro Auto Chrono

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

M-1
Aera InstrumentsM-1
Jazzmaster Maestro Auto Chrono
HamiltonJazzmaster Maestro Auto Chrono
MSRP $1,995

At a glance

11 of 29 specs differ
Diameter
M-139mm
Jazzmaster Maestro Auto Chrono45mm
Power Reserve
M-142h
Jazzmaster Maestro Auto Chrono60h
Water Resistance
M-1100m
Jazzmaster Maestro Auto Chrono100m
MSRP
M-1—
Jazzmaster Maestro Auto Chrono$1,995

Full specifications

Case

5 specs
Category
—
Chronograph
Diameter
39mm
45mm
Thickness
13.14mm
15.35mm
Lug-to-Lug
47.6mm
46mm
Lug Width
20mm
23mm

Crystal & Dial

2 specs
Dial Color
Dune
Blue
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Sellita SW216-1
H-21
Type
Manual
Automatic
Power Reserve
42h
60h

Pricing

1 specs
MSRP
—
$1,995

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