Side by side

Aera Instruments C-1vsZelos Helica Moonphase

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

C-1
Aera InstrumentsC-1
MSRP $2,200
Helica Moonphase
ZelosHelica Moonphase
MSRP $1,049

At a glance

11 of 29 specs differ
Diameter
C-142mm
Helica Moonphase39mm
Power Reserve
C-156h
Helica Moonphase40h
Water Resistance
C-1100m
Helica Moonphase100m
MSRP
C-1$2,200
Helica Moonphase$1,049

Full specifications

Case

6 specs
Category
—
Moonphase
Diameter
42mm
39mm
Thickness
15.75mm
10mm
Lug-to-Lug
49.55mm
39mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

1 specs
Dial Color
Cloud
Meteorite

Movement

3 specs
Caliber
SW510 BH B
Sellita SW288 Moonphase
Power Reserve
56h
40h
Jewels
27
25

Pricing

1 specs
MSRP
$2,200
$1,049

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