Side by side
Casio GMA-P2100vsTimefactors Speedbird GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
GMA-P210040.2mm
Speedbird GMT36mm
Power Reserve
GMA-P2100—
Speedbird GMT—
Water Resistance
GMA-P2100200m
Speedbird GMT100m
MSRP
GMA-P2100$110
Speedbird GMT$315
Full specifications
Case
8 specsCategory
Sport
—
Diameter
40.2mm
36mm
Thickness
11.2mm
11.6mm
Lug-to-Lug
46mm
42.5mm
Lug Width
—
18mm
Material
Resin / Bio-based resin
Stainless Steel
Finish
—
—
Water Resistance
200m
100m
Crystal & Dial
4 specsCrystal
Mineral
Sapphire
AR Coating
No
—
Dial Color
White
Black
Lume
None
Super Luminova X1 C3
Movement
1 specsCaliber
—
Ronda 515
Pricing
1 specsMSRP
$110
$315
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