Side by side

Aera Instruments C-1vsZero West L4 Longitude

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

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C-1
Aera InstrumentsC-1
MSRP $2,200
L4 Longitude
Zero WestL4 Longitude
MSRP $2,995
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Buy from Zero West ↗
Buy used on eBay ↗

At a glance

7 of 29 specs differ
Diameter
C-142mm
L4 Longitude42mm
Power Reserve
C-156h
L4 Longitude62h
Water Resistance
C-1100m
L4 Longitude100m
MSRP
C-1$2,200
L4 Longitude$2,995

Full specifications

Case

2 specs
Thickness
15.75mm
13.7mm
Lug-to-Lug
49.55mm
47mm

Crystal & Dial

1 specs
Dial Color
Cloud
—

Movement

3 specs
Caliber
SW510 BH B
Sellita SW500
Power Reserve
56h
62h
Jewels
27
25

Pricing

1 specs
MSRP
$2,200
$2,995
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