Side by side

Casio EFS-S650DvsZelos Helmsman 3

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
Helmsman 3
ZelosHelmsman 3
MSRP $529
See the full Helmsman 3
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At a glance

15 of 29 specs differ
Diameter
EFS-S650D40.9mm
Helmsman 340mm
Power Reserve
EFS-S650D—
Helmsman 3—
Water Resistance
EFS-S650D100m
Helmsman 3200m
MSRP
EFS-S650D$250
Helmsman 3$529

Full specifications

Case

8 specs
Category
Chronograph
Diver
Diameter
40.9mm
40mm
Thickness
11.7mm
11.5mm
Lug-to-Lug
46.7mm
40mm
Lug Width
—
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
—
—
Water Resistance
100m
200m

Crystal & Dial

3 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Yes
—
Dial Color
Black
SS - Frost

Movement

3 specs
Caliber
—
Miyota 9015
Type
Quartz
Automatic
Power Reserve
—
0h

Pricing

1 specs
MSRP
$250
$529
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