Side by side
Casio EFS-S650DvsSwatch Waktu51
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
16 of 29 specs differDiameter
EFS-S650D40.9mm
Waktu5142mm
Power Reserve
EFS-S650D—
Waktu51—
Water Resistance
EFS-S650D100m
Waktu5130m
MSRP
EFS-S650D$250
Waktu51$170
Full specifications
Case
7 specsCategory
Chronograph
Mechanical
Diameter
40.9mm
42mm
Thickness
11.7mm
13.9mm
Lug-to-Lug
46.7mm
50.6mm
Material
Stainless Steel
Bio-sourced Material
Finish
—
Bio-sourced material
Water Resistance
100m
30m
Crystal & Dial
3 specsCrystal
Sapphire
—
AR Coating
Yes
—
Dial Color
Black
Blue
Movement
5 specsCaliber
—
—
Type
Quartz
Automatic
Power Reserve
—
0h
Hacking
No
Yes
Hand-winding
No
Yes
Pricing
1 specsMSRP
$250
$170
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