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.
At a glance
11 of 29 specs differDiameter
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 specsCategory
—
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 specsDial Color
Cloud
Red
Movement
3 specsCaliber
SW510 BH B
Seiko NH34A
Power Reserve
56h
40h
Jewels
27
25
Pricing
1 specsMSRP
$2,200
$445
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