Which is cheaper, the Helgray GMT (Refurbished) or the Yema Superman Tourbillon CMM.31 Limited Edition?

At MSRP the Helgray GMT (Refurbished) is the cheaper of the two at $150, against $13,000 for the Yema Superman Tourbillon CMM.31 Limited Edition — a $12,850 gap before any retailer discounting.

Which is bigger, the Helgray GMT (Refurbished) or the Yema Superman Tourbillon CMM.31 Limited Edition?

The Yema Superman Tourbillon CMM.31 Limited Edition wears larger at 43mm versus 42mm for the Helgray GMT (Refurbished) — a 1mm difference across the dial.

Which has better water resistance, the Helgray GMT (Refurbished) or the Yema Superman Tourbillon CMM.31 Limited Edition?

The Yema Superman Tourbillon CMM.31 Limited Edition is rated to 300m versus 50m for the Helgray GMT (Refurbished).

What movement does the Helgray GMT (Refurbished) run compared to the Yema Superman Tourbillon CMM.31 Limited Edition?

The Helgray GMT (Refurbished) runs a quartz caliber (Swiss-Made Ronda 515.24H Strap), while the Yema Superman Tourbillon CMM.31 Limited Edition runs a automatic (Yema CMM.31 Tourbillon).

Side by side

Helgray GMT (Refurbished)vsYema Superman Tourbillon CMM.31 Limited Edition

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

Helgray GMT (Refurbished)

gmt-1

MSRP $150

Yema Superman Tourbillon CMM.31 Limited Edition

yema-superman-tourbillon-cmm-31-limited-edition-12-25-31-66-te-mt

MSRP $13,000

At a glance

11 of 29 specs differ

Diameter

GMT (Refurbished)42mm

Superman Tourbillon CMM.31 Limited Edition43mm

Power Reserve

GMT (Refurbished)40h

Superman Tourbillon CMM.31 Limited Edition40h

Water Resistance

GMT (Refurbished)50m

Superman Tourbillon CMM.31 Limited Edition300m

MSRP

GMT (Refurbished)$150

Superman Tourbillon CMM.31 Limited Edition$13,000

Full specifications

Case

6 specs

Crystal & Dial

2 specs

Crystal

Sapphire

Domed Sapphire

Dial Color

Black

Steel

Movement

2 specs

Caliber

Swiss-Made Ronda 515.24H Strap

Yema CMM.31 Tourbillon

Type

Quartz

Automatic

Pricing

1 specs

MSRP

$150

$13,000

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