Side by side

Timefactors Speedbird GMTvsUndone Mr. Bones

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

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Speedbird GMT
TimefactorsSpeedbird GMT
MSRP $315
See the full Speedbird GMT
Mr. Bones
UndoneMr. Bones
MSRP $365
See the full Mr. Bones
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Buy used on eBay ↗
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At a glance

10 of 29 specs differ
Diameter
Speedbird GMT36mm
Mr. Bones40mm
Power Reserve
Speedbird GMT—
Mr. Bones—
Water Resistance
Speedbird GMT100m
Mr. Bones30m
MSRP
Speedbird GMT$315
Mr. Bones$365

Full specifications

Case

5 specs
Diameter
36mm
40mm
Thickness
11.6mm
0mm
Lug-to-Lug
42.5mm
0mm
Lug Width
18mm
0mm
Water Resistance
100m
30m

Crystal & Dial

3 specs
Crystal
Sapphire
—
Dial Color
Black
—
Lume
Super Luminova X1 C3
None

Movement

1 specs
Caliber
Ronda 515
Seiko VK64

Pricing

1 specs
MSRP
$315
$365
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Smiths SPEEDBIRD GMT PRS-22GMTQvsUndone Mr. BonesUndone Mr. BonesvsBoldr Venture GMTBOLDR Supply Co. Venture GMT BluevsUndone Mr. BonesOut of Order CASANOVA GMTvsUndone Mr. BonesSpinnaker Fleuss ChronographvsTimefactors Speedbird GMTDEDEGUMO パズルvsTimefactors Speedbird GMT
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