Which is cheaper, the Aera Instruments C-1 or the LONGINES SPIRIT FLYBACK PROTOTYPE?

At MSRP the Aera Instruments C-1 is the cheaper of the two at $2,200, against $7,400 for the LONGINES SPIRIT FLYBACK PROTOTYPE — a $5,200 gap before any retailer discounting.

Which has a longer power reserve, the Aera Instruments C-1 or the LONGINES SPIRIT FLYBACK PROTOTYPE?

The Aera Instruments C-1 carries a 56-hour power reserve against 40 hours on the LONGINES SPIRIT FLYBACK PROTOTYPE.

What movement does the Aera Instruments C-1 run compared to the LONGINES SPIRIT FLYBACK PROTOTYPE?

Both watches run automatic movements — the Aera Instruments C-1 uses the SW510 BH B and the LONGINES SPIRIT FLYBACK PROTOTYPE uses the L791.4.

Side by side

Aera Instruments C-1vsLongines LONGINES SPIRIT FLYBACK PROTOTYPE

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

Aera Instruments C-1

MSRP $2,200

Longines LONGINES SPIRIT FLYBACK PROTOTYPE

L3.821.5.53.2

MSRP $7,400

At a glance

8 of 29 specs differ

Diameter

C-142mm

LONGINES SPIRIT FLYBACK PROTOTYPE42mm

Power Reserve

C-156h

LONGINES SPIRIT FLYBACK PROTOTYPE40h

Water Resistance

C-1100m

LONGINES SPIRIT FLYBACK PROTOTYPE100m

MSRP

C-1$2,200

LONGINES SPIRIT FLYBACK PROTOTYPE$7,400

Full specifications

Case

3 specs

Crystal & Dial

1 specs

Dial Color

Cloud

Green

Movement

3 specs

Caliber

SW510 BH B

L791.4

Power Reserve

56h

40h

Jewels

Pricing

1 specs

MSRP

$2,200

$7,400

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