Side by side

Aera Instruments C-1vsSpinnaker Croft 39 GMT

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

C-1
Aera InstrumentsC-1
MSRP $2,200
Croft 39 GMT
SpinnakerCroft 39 GMT
MSRP $445

At a glance

11 of 29 specs differ
Diameter
C-142mm
Croft 39 GMT39mm
Power Reserve
C-156h
Croft 39 GMT40h
Water Resistance
C-1100m
Croft 39 GMT100m
MSRP
C-1$2,200
Croft 39 GMT$445

Full specifications

Case

6 specs
Category
GMT
Diameter
42mm
39mm
Thickness
15.75mm
13mm
Lug-to-Lug
49.55mm
47mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

1 specs
Dial Color
Cloud
Red

Movement

3 specs
Caliber
SW510 BH B
Seiko NH34A
Power Reserve
56h
40h
Jewels
27
25

Pricing

1 specs
MSRP
$2,200
$445

Follow this matchup

Get a note when Aera Instruments C-1 vs Spinnaker Croft 39 GMT 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.

Adjacent matchups

People also compared

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