Side by side
Casio EFB-730DvsCasio GMA-P2100
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
EFB-730D40mm
GMA-P210040.2mm
Power Reserve
EFB-730D—
GMA-P2100—
Water Resistance
EFB-730D100m
GMA-P2100200m
MSRP
EFB-730D$165
GMA-P2100$110
Full specifications
Case
6 specsCategory
Chronograph
Sport
Diameter
40mm
40.2mm
Thickness
11mm
11.2mm
Lug-to-Lug
47mm
46mm
Material
Stainless Steel
Resin / Bio-based resin
Water Resistance
100m
200m
Crystal & Dial
2 specsCrystal
Sapphire
Mineral
Dial Color
Black
White
Pricing
1 specsMSRP
$165
$110
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