Side by side

Casio EFS-S650DvsRockwell Time 40mm2 (2nd Gen)

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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EFS-S650D
CasioEFS-S650D
MSRP $250
See the full EFS-S650D
40mm2 (2nd Gen)
Rockwell Time40mm2 (2nd Gen)
MSRP $320
See the full 40mm2 (2nd Gen)
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Buy used on eBay ↗
Buy from Rockwell Time ↗
Buy used on eBay ↗

At a glance

13 of 29 specs differ
Diameter
EFS-S650D40.9mm
40mm2 (2nd Gen)40mm
Power Reserve
EFS-S650D—
40mm2 (2nd Gen)—
Water Resistance
EFS-S650D100m
40mm2 (2nd Gen)50m
MSRP
EFS-S650D$250
40mm2 (2nd Gen)$320

Full specifications

Case

7 specs
Category
Chronograph
—
Diameter
40.9mm
40mm
Thickness
11.7mm
11.4mm
Lug-to-Lug
46.7mm
0mm
Lug Width
—
0mm
Finish
—
—
Water Resistance
100m
50m

Crystal & Dial

3 specs
Crystal
Sapphire
Mineral
AR Coating
Yes
—
Dial Color
Black
—

Movement

2 specs
Caliber
—
—
Power Reserve
—
0h

Pricing

1 specs
MSRP
$250
$320
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