Which is cheaper, the Aera Instruments C-1 or the Longines MASTER COLLECTION CHRONOGRAPH?

At MSRP the Aera Instruments C-1 is the cheaper of the two at $2,200, against $3,650 for the Longines MASTER COLLECTION CHRONOGRAPH — a $1,450 gap before any retailer discounting.

Which is bigger, the Aera Instruments C-1 or the Longines MASTER COLLECTION CHRONOGRAPH?

The Aera Instruments C-1 wears larger at 42mm versus 40mm for the Longines MASTER COLLECTION CHRONOGRAPH — a 2mm difference across the dial.

Which has better water resistance, the Aera Instruments C-1 or the Longines MASTER COLLECTION CHRONOGRAPH?

The Aera Instruments C-1 is rated to 100m versus 30m for the Longines MASTER COLLECTION CHRONOGRAPH.

What movement does the Aera Instruments C-1 run compared to the Longines MASTER COLLECTION CHRONOGRAPH?

Both watches run automatic movements — the Aera Instruments C-1 uses the SW510 BH B and the Longines MASTER COLLECTION CHRONOGRAPH uses the L688.5.

Side by side

Aera Instruments C-1vsLongines MASTER COLLECTION CHRONOGRAPH

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

Aera Instruments C-1

MSRP $2,200

Longines MASTER COLLECTION CHRONOGRAPH

L2.759.4.78.3

MSRP $3,650

At a glance

19 of 29 specs differ

Diameter

C-142mm

MASTER COLLECTION CHRONOGRAPH40mm

Power Reserve

C-156h

MASTER COLLECTION CHRONOGRAPH—

Water Resistance

C-1100m

MASTER COLLECTION CHRONOGRAPH30m

MSRP

C-1$2,200

MASTER COLLECTION CHRONOGRAPH$3,650

Full specifications

Case

8 specs

Crystal & Dial

4 specs

Crystal Shape

Flat

—

AR Coating

Inner

—

Dial Color

Cloud

Ivory

Indices

Applied

—

Movement

6 specs

Caliber

SW510 BH B

L688.5

Beat Rate

28,800 vph

0 vph

Power Reserve

56h

Jewels

Hacking

Yes

Hand-winding

Yes

Pricing

1 specs

MSRP

$2,200

$3,650

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