Side by side
Astor + Banks Fortitude ProvsGrand Seiko STGF387
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Fortitude Pro38.5mm
STGF38726mm
Power Reserve
Fortitude Pro40h
STGF38740h
Water Resistance
Fortitude Pro200m
STGF387100m
MSRP
Fortitude Pro$675
STGF387$4,200
Full specifications
Case
7 specsCategory
Sport
Dress
Diameter
38.5mm
26mm
Thickness
11.9mm
8.1mm
Lug-to-Lug
45.5mm
32.9mm
Lug Width
20mm
13mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m
100m
Crystal & Dial
2 specsAR Coating
Inner
Yes
Dial Color
Magenta
Black
Movement
2 specsCaliber
Miyota 9015
4J51
Type
Automatic
Quartz
Pricing
1 specsMSRP
$675
$4,200
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