Which is cheaper, the Sheffield 1A or the Yema Diver?

At MSRP the Sheffield 1A is the cheaper of the two at $223, against $990 for the Yema Diver — a $767 gap before any retailer discounting.

Which is bigger, the Sheffield 1A or the Yema Diver?

The Sheffield 1A wears larger at 40mm versus 39.5mm for the Yema Diver — a 0.5mm difference across the dial.

What movement does the Sheffield 1A run compared to the Yema Diver?

Both watches run automatic movements — the Sheffield 1A uses the Seiko NH35A and the Yema Diver uses the Sellita SW200.

Side by side

Sheffield 1AvsYema Diver

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 Diver

yema-diver-ydiv25-ams

MSRP $990

At a glance

9 of 29 specs differ

Diameter

1A40mm

Diver39.5mm

Power Reserve

1A—

Diver40h

Water Resistance

1A200m

Diver200m

MSRP

1A$223

Diver$990

Full specifications

Case

4 specs

Diameter

40mm

39.5mm

Thickness

12.8mm

10.95mm

Lug-to-Lug

46mm

—

Material

Stainless Steel

316L Stainless Steel

Crystal & Dial

2 specs

Dial Color

White/Blue

Black

Lume

Swiss blue lume

None

Movement

2 specs

Caliber

Seiko NH35A

Sellita SW200

Power Reserve

—

40h

Pricing

1 specs

MSRP

$223

$990

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Sheffield 1AvsYema Diver

At a glance

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