Which is cheaper, the Aera Instruments C-1 or the Hamilton Jazzmaster Maestro Auto Chrono?

At MSRP the Aera Instruments C-1 is the cheaper of the two at $2,200, against $2,275 for the Hamilton Jazzmaster Maestro Auto Chrono — a $75 gap before any retailer discounting.

Which is bigger, the Aera Instruments C-1 or the Hamilton Jazzmaster Maestro Auto Chrono?

The Aera Instruments C-1 wears larger at 42mm versus 41mm for the Hamilton Jazzmaster Maestro Auto Chrono — a 1mm difference across the dial.

Which has a longer power reserve, the Aera Instruments C-1 or the Hamilton Jazzmaster Maestro Auto Chrono?

The Hamilton Jazzmaster Maestro Auto Chrono carries a 60-hour power reserve against 56 hours on the Aera Instruments C-1.

What movement does the Aera Instruments C-1 run compared to the Hamilton Jazzmaster Maestro Auto Chrono?

Both watches run automatic movements — the Aera Instruments C-1 uses the SW510 BH B and the Hamilton Jazzmaster Maestro Auto Chrono uses the H-21.

Side by side

Aera Instruments C-1vsHamilton Jazzmaster Maestro Auto Chrono

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

Aera Instruments C-1

MSRP $2,200

Hamilton Jazzmaster Maestro Auto Chrono

h32576155

MSRP $2,275

At a glance

9 of 29 specs differ

Diameter

C-142mm

Jazzmaster Maestro Auto Chrono41mm

Power Reserve

C-156h

Jazzmaster Maestro Auto Chrono60h

Water Resistance

C-1100m

Jazzmaster Maestro Auto Chrono100m

MSRP

C-1$2,200

Jazzmaster Maestro Auto Chrono$2,275

Full specifications

Case

4 specs

Crystal & Dial

1 specs

Dial Color

Cloud

Silver

Movement

3 specs

Caliber

SW510 BH B

H-21

Power Reserve

56h

60h

Jewels

Pricing

1 specs

MSRP

$2,200

$2,275

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