Side by side

Casio EFK-110DvsSeiko 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 differ
Diameter
EFK-110D38mm
Prospex SPEEDTIMER39mm
Power Reserve
EFK-110D
Prospex SPEEDTIMER40h
Water Resistance
EFK-110D100m
Prospex SPEEDTIMER100m
MSRP
EFK-110D$300
Prospex SPEEDTIMER$725

Full specifications

Case

6 specs
Diameter
38mm
39mm
Thickness
11.8mm
13.3mm
Lug-to-Lug
43mm
45.5mm
Lug Width
20mm
Finish
Brushed and polished
Caseback
Solid

Crystal & Dial

3 specs
Crystal Shape
Flat
Curved
AR Coating
No
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
V192
Power Reserve
40h
Jewels
0
25

Pricing

1 specs
MSRP
$300
$725
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