Islander Calverton Flight Chronograph Alarm with Black DialvsSeiko Prospex Speedtimer
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.
Calverton Flight Chronograph Alarm with Black Dial
Prospex Speedtimer
Diameter
41.8mm
42mm
Lug-to-Lug
n/a
49.6mm
Thickness
12.9mm
12.9mm
Water Resistance
200m
highest
100m
MSRP
$379
lowest
$2,200
Movement
Seiko YM62
Seiko 5X83
Case
4 specsDiameter
41.8mm
42mm
Lug-to-Lug
n/a
49.6mm
Water Resistance
200m
100m
Caseback
Solid
n/a
Crystal & Dial
3 specsCrystal Shape
Domed
Curved
AR Coating
Underside
Super-clear coating
Lume
None
LumiBrite on hands and index(es)
Movement
2 specsCaliber
Seiko YM62
Seiko 5X83
Jewels
0
14
Pricing
1 specsMSRP
$379
$2,200
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