Side by side
Casio EFR-574DEvsSeiko Prospex SPEEDTIMER
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
EFR-574DE42.3mm
Prospex SPEEDTIMER41.4mm
Power Reserve
EFR-574DE—
Prospex SPEEDTIMER—
Water Resistance
EFR-574DE100m
Prospex SPEEDTIMER100m
MSRP
EFR-574DE$220
Prospex SPEEDTIMER$750
Full specifications
Case
5 specsDiameter
42.3mm
41.4mm
Thickness
11.4mm
13mm
Lug-to-Lug
47.5mm
45.9mm
Lug Width
—
21mm
Finish
—
—
Crystal & Dial
5 specsCrystal
Mineral
Sapphire
Crystal Shape
—
Curved
AR Coating
No
Anti-reflective coating on inner surface
Dial Color
Silver
—
Lume
None
LumiBrite on hands and index(es)
Movement
2 specsCaliber
—
V192
Power Reserve
—
0h
Pricing
1 specsMSRP
$220
$750
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