Side by side
Casio EFS-S650DvsSeiko Essentials Chronograph
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
EFS-S650D40.9mm
Essentials Chronograph41.5mm
Power Reserve
EFS-S650D—
Essentials Chronograph40h
Water Resistance
EFS-S650D100m
Essentials Chronograph100m
MSRP
EFS-S650D$250
Essentials Chronograph$265
Full specifications
Case
6 specsDiameter
40.9mm
41.5mm
Thickness
11.7mm
12.1mm
Lug-to-Lug
46.7mm
46.5mm
Lug Width
—
22mm
Finish
—
Brushed and polished
Caseback
—
Solid
Crystal & Dial
2 specsCrystal
Sapphire
Hardlex
AR Coating
Yes
Inner
Movement
3 specsCaliber
—
8T63
Power Reserve
—
40h
Jewels
0
25
Pricing
1 specsMSRP
$250
$265
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