Which is cheaper, the Sheffield 1A or the Yema Superman Titanium Tourbillon CMM.31 Limited Edition?

At MSRP the Sheffield 1A is the cheaper of the two at $223, against $13,000 for the Yema Superman Titanium Tourbillon CMM.31 Limited Edition — a $12,777 gap before any retailer discounting.

Which is bigger, the Sheffield 1A or the Yema Superman Titanium Tourbillon CMM.31 Limited Edition?

The Yema Superman Titanium Tourbillon CMM.31 Limited Edition wears larger at 43mm versus 40mm for the Sheffield 1A — a 3mm difference across the dial.

Which has better water resistance, the Sheffield 1A or the Yema Superman Titanium Tourbillon CMM.31 Limited Edition?

The Yema Superman Titanium Tourbillon CMM.31 Limited Edition is rated to 300m versus 200m for the Sheffield 1A.

What movement does the Sheffield 1A run compared to the Yema Superman Titanium Tourbillon CMM.31 Limited Edition?

Both watches run automatic movements — the Sheffield 1A uses the Seiko NH35A and the Yema Superman Titanium Tourbillon CMM.31 Limited Edition uses the Yema CMM.31 Tourbillon.

Side by side

Sheffield 1AvsYema Superman Titanium Tourbillon CMM.31 Limited Edition

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

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Sheffield 1A

diver-1a-40mm-white

MSRP $223

Yema Superman Titanium Tourbillon CMM.31 Limited Edition

yema-superman-titanium-tourbillon-cmm-31-limited-edition-12-26-31-65-te-mt

MSRP $13,000

At a glance

12 of 29 specs differ

Diameter

1A40mm

Superman Titanium Tourbillon CMM.31 Limited Edition43mm

Power Reserve

1A—

Superman Titanium Tourbillon CMM.31 Limited Edition40h

Water Resistance

1A200m

Superman Titanium Tourbillon CMM.31 Limited Edition300m

MSRP

1A$223

Superman Titanium Tourbillon CMM.31 Limited Edition$13,000

Full specifications

Case

6 specs

Diameter

40mm

43mm

Thickness

12.8mm

11.7mm

Lug-to-Lug

46mm

—

Lug Width

20mm

22mm

Material

Stainless Steel

Titanium

Water Resistance

200m

300m

Crystal & Dial

3 specs

Crystal

Sapphire

Domed Sapphire

Dial Color

White/Blue

Titanium

Lume

Swiss blue lume

None

Movement

2 specs

Caliber

Seiko NH35A

Yema CMM.31 Tourbillon

Power Reserve

—

40h

Pricing

1 specs

MSRP

$223

$13,000

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Sheffield 1AvsYema Superman Titanium Tourbillon CMM.31 Limited Edition

At a glance

Full specifications

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