Side by side
Casio EFS-S650DvsHemel Sky Racer Mechanical
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
EFS-S650D40.9mm
Sky Racer Mechanical43mm
Power Reserve
EFS-S650D—
Sky Racer Mechanical—
Water Resistance
EFS-S650D100m
Sky Racer Mechanical50m
MSRP
EFS-S650D$250
Sky Racer Mechanical$550
Full specifications
Case
7 specsDiameter
40.9mm
43mm
Thickness
11.7mm
14mm
Lug-to-Lug
46.7mm
49mm
Lug Width
—
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
—
—
Water Resistance
100m
50m
Crystal & Dial
2 specsCrystal
Sapphire
Domed Sapphire
AR Coating
Yes
—
Movement
3 specsCaliber
—
Sea-Gull ST19
Type
Quartz
Manual
Power Reserve
—
0h
Pricing
1 specsMSRP
$250
$550
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