Side by side

Casio GA-B001vsTimefactors Speedbird GMT

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

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GA-B001
CasioGA-B001
MSRP $140
See the full GA-B001
Speedbird GMT
TimefactorsSpeedbird GMT
MSRP $315
See the full Speedbird GMT
Buy from Casio ↗
Buy used on eBay ↗
Buy from Timefactors ↗
Buy used on eBay ↗

At a glance

13 of 29 specs differ
Diameter
GA-B00146mm
Speedbird GMT36mm
Power Reserve
GA-B001—
Speedbird GMT—
Water Resistance
GA-B001200m
Speedbird GMT100m
MSRP
GA-B001$140
Speedbird GMT$315

Full specifications

Case

7 specs
Category
Sport
—
Diameter
46mm
36mm
Thickness
13.8mm
11.6mm
Lug Width
—
18mm
Material
Carbon / Resin
Stainless Steel
Finish
—
—
Water Resistance
200m
100m

Crystal & Dial

4 specs
Crystal
Mineral
Sapphire
AR Coating
No
—
Dial Color
White
Black
Lume
None
Super Luminova X1 C3

Movement

1 specs
Caliber
—
Ronda 515

Pricing

1 specs
MSRP
$140
$315
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