Side by side
Astor + Banks Fortitude ProvsMarnaut Safe Harbour 100C
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Fortitude Pro38.5mm
Safe Harbour 100C39mm
Power Reserve
Fortitude Pro40h
Safe Harbour 100C41h
Water Resistance
Fortitude Pro200m
Safe Harbour 100C100m
MSRP
Fortitude Pro$675
Safe Harbour 100C$899
Full specifications
Case
6 specsCategory
Sport
—
Diameter
38.5mm
39mm
Thickness
11.9mm
13mm
Lug-to-Lug
45.5mm
45mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m
100m
Crystal & Dial
1 specsDial Color
Magenta
Black
Movement
2 specsCaliber
Miyota 9015
Sellita SW200-1
Power Reserve
40h
41h
Pricing
1 specsMSRP
$675
$899
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