Which is cheaper, the Spinnaker Croft or the Timefactors Speedbird GMT?

At MSRP the Spinnaker Croft is the cheaper of the two at $219, against $315 for the Timefactors Speedbird GMT — a $96 gap before any retailer discounting.

Which is bigger, the Spinnaker Croft or the Timefactors Speedbird GMT?

The Spinnaker Croft wears larger at 40mm versus 36mm for the Timefactors Speedbird GMT — a 4mm difference across the dial.

Which has better water resistance, the Spinnaker Croft or the Timefactors Speedbird GMT?

The Spinnaker Croft is rated to 150m versus 100m for the Timefactors Speedbird GMT.

What movement does the Spinnaker Croft run compared to the Timefactors Speedbird GMT?

The Spinnaker Croft runs a automatic caliber (SII NH35A), while the Timefactors Speedbird GMT runs a quartz (Ronda 515).

Side by side

Spinnaker CroftvsTimefactors Speedbird GMT

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

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Spinnaker Croft

spinnaker-croft

MSRP $219

Timefactors Speedbird GMT

speedbird-gmt

MSRP $315

Buy from Spinnaker ↗

Buy used on eBay ↗

Buy from Timefactors ↗

Buy used on eBay ↗

At a glance

13 of 29 specs differ

Diameter

Croft40mm

Speedbird GMT36mm

Power Reserve

Croft40h

Speedbird GMT—

Water Resistance

Croft150m

Speedbird GMT100m

MSRP

Croft$219

Speedbird GMT$315

Full specifications

Case

7 specs

Crystal & Dial

2 specs

Dial Color

Elemental

Black

Lume

None

Super Luminova X1 C3

Movement

3 specs

Caliber

SII NH35A

Ronda 515

Type

Automatic

Quartz

Power Reserve

40h

—

Pricing

1 specs

MSRP

$219

$315

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