Side by side
Astor + Banks Fortitude ProvsIslander Islander Melville GMT with Blue Hammer Dial #ISL-222
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
17 of 29 specs differDiameter
Fortitude Pro38.5mm
Islander Melville GMT with Blue Hammer Dial #ISL-22240mm
Power Reserve
Fortitude Pro40h
Islander Melville GMT with Blue Hammer Dial #ISL-222—
Water Resistance
Fortitude Pro200m
Islander Melville GMT with Blue Hammer Dial #ISL-222100m
MSRP
Fortitude Pro$675
Islander Melville GMT with Blue Hammer Dial #ISL-222$369
Full specifications
Case
8 specsCategory
Sport
GMT
Diameter
38.5mm
40mm
Thickness
11.9mm
13mm
Lug-to-Lug
45.5mm
0mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
—
Water Resistance
200m
100m
Caseback
Solid
Screw-down
Crystal & Dial
4 specsCrystal Shape
Flat
Domed
AR Coating
Inner
Underside
Dial Color
Magenta
—
Indices
Applied
—
Movement
4 specsCaliber
Miyota 9015
Seiko NH34
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
25
0
Pricing
1 specsMSRP
$675
$369
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