Side by side

Aera Instruments C-1vsBorealis Watch Co. Neptuno

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

C-1
Aera InstrumentsC-1
MSRP $2,200
Neptuno
Borealis Watch Co.Neptuno
MSRP $390

At a glance

12 of 29 specs differ
Diameter
C-142mm
Neptuno40.00mm
Power Reserve
C-156h
Neptuno40h
Water Resistance
C-1100m
Neptuno300m
MSRP
C-1$2,200
Neptuno$390

Full specifications

Case

6 specs
Category
—
Diver
Diameter
42mm
40.00mm
Thickness
15.75mm
14.10mm
Lug-to-Lug
49.55mm
47.20mm
Lug Width
22mm
20mm
Water Resistance
100m
300m

Crystal & Dial

2 specs
Dial Color
Cloud
Black
Lume
None
BGW9

Movement

3 specs
Caliber
SW510 BH B
NH38
Power Reserve
56h
40h
Jewels
27
25

Pricing

1 specs
MSRP
$2,200
$390

Follow this matchup

Get a note when Aera Instruments C-1 vs Borealis Watch Co. Neptuno gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Bremont ALT1-C
Bremontmicro

ALT1-C

2 watches · 4 variantsALT1
43mm·Automatic·100m WR
$6,150MSRP
—Used
Christopher Ward C60 Lympstone
Christopher Wardmicro

C60 Lympstone

6 watches · 9 variantsC60
40mm·Automatic·600m WR
$1,615MSRP
—Used
Fortis Flieger F-43 Bicompax
Fortismicro

Flieger F-43 Bicompax

2 watches · 8 variantsFlieger
43mm·Automatic·200m WR
$4,180MSRP
—Used
Borealis Watch Co. Sea Storm MK2
Borealis Watch Co.micro

Sea Storm MK2

Ref. borealis-sea-storm-mk2-random-rob-special-limited-edition
41.50mm·Automatic·300m WR
$475MSRP
—Used
Bremont Terra Nova 42.5 Chronograph
Bremontmicro

Terra Nova 42.5 Chronograph

3 watches · 23 variantsTerra Nova
42.5mm·Automatic·100m WR
$5,700MSRP
—Used
Boldr Charizard
Boldrmicro
Pokémon Collab

Charizard

Ref. charizard
40mm·Automatic·200m WR
$449MSRP
—Used
CWC 6BB-WR
CWCmicro
Cabot Chronograph

6BB-WR

Ref. cwc-1970s-6bb-raf-pilots-chronograph-automatic
42mm·Automatic·100m WR
$1,875MSRP
—Used
Boldr Marine
Boldrmicro

Marine

2 variantsRef. marine-elewana
40mm·Automatic·200m WR
$439MSRP
—Used
All alternatives to the C-1 →All alternatives to the Neptuno →
Explore the full catalog
Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

Borealis Watch Co. NeptunovsBremont ALT1-CBorealis Watch Co. NeptunovsFortis Flieger F-43 BicompaxBorealis Watch Co. NeptunovsBremont Terra Nova 42.5 ChronographBorealis Watch Co. NeptunovsCWC 6BB-WRAera Instruments C-1vsChristopher Ward C60 LympstoneAera Instruments C-1vsBorealis Watch Co. Sea Storm MK2
Edit this comparisonAdd another watch