Side by side
Aera Instruments C-1vsFortis Marinemaster M-40
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
Marinemaster M-4040mm
Power Reserve
C-156h
Marinemaster M-4038h
Water Resistance
C-1100m
Marinemaster M-40300m
MSRP
C-1$2,200
Marinemaster M-40$3,520
Full specifications
Case
6 specsCategory
—
Diver
Diameter
42mm
40mm
Thickness
15.75mm
13mm
Lug-to-Lug
49.55mm
—
Lug Width
22mm
21mm
Water Resistance
100m
300m
Crystal & Dial
1 specsDial Color
Cloud
Orange
Movement
3 specsCaliber
SW510 BH B
Sellita SW220-1
Power Reserve
56h
38h
Jewels
27
26
Pricing
1 specsMSRP
$2,200
$3,520
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