Side by side

Aera Instruments C-1vsFormex Reef 39.5 mm

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 $2,950
See the full C-1
Reef 39.5 mm
FormexReef 39.5 mm
MSRP $2,230
See the full Reef 39.5 mm
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At a glance

10 of 29 specs differ
Diameter
C-142mm
Reef 39.5 mm39.5mm
Power Reserve
C-156h
Reef 39.5 mm56h
Water Resistance
C-1100m
Reef 39.5 mm300m
MSRP
C-1$2,950
Reef 39.5 mm$2,230

Full specifications

Case

5 specs
Category
—
Diver
Diameter
42mm
39.5mm
Thickness
15.75mm
11mm
Lug-to-Lug
49.55mm
45.5mm
Water Resistance
100m
300m

Crystal & Dial

2 specs
Dial Color
Cloud
Bahama Blue
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
Sellita SW510
Sellita SW300-1
Jewels
27
0

Pricing

1 specs
MSRP
$2,950
$2,230
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All alternatives to the C-1 →All alternatives to the Reef 39.5 mm →
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CWC 6BB-WRvsFormex Reef 39.5 mmCWC (Cabot Watch Company) 6BB-WRvsFormex Reef 39.5 mmFormex Reef 39.5 mmvsSmiths MONOPUSHER PRS-57Bamford of London Carbon B347vsFormex Reef 39.5 mmAera Instruments C-1vsFormex Reef 42 mmAera Instruments C-1vsTypsim 200M-N, a Stainless Steel Recreational Diving Watch with Sunray Blue Dial
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