Which is cheaper, the Sheffield 1A or the Yema Navygraf Heritage?

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

Which is bigger, the Sheffield 1A or the Yema Navygraf Heritage?

The Sheffield 1A wears larger at 40mm versus 39mm for the Yema Navygraf Heritage — a 1mm difference across the dial.

Which has better water resistance, the Sheffield 1A or the Yema Navygraf Heritage?

The Sheffield 1A is rated to 200m versus 100m for the Yema Navygraf Heritage.

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

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

Side by side

Sheffield 1AvsYema Navygraf Heritage

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

Add a watch

Sheffield 1A

diver-1a-40mm-white

MSRP $223

Yema Navygraf Heritage

yema-navygraf-heritage-ynav25-am

MSRP $990

At a glance

10 of 29 specs differ

Diameter

1A40mm

Navygraf Heritage39mm

Power Reserve

1A—

Navygraf Heritage40h

Water Resistance

1A200m

Navygraf Heritage100m

MSRP

1A$223

Navygraf Heritage$990

Full specifications

Case

5 specs

Diameter

40mm

39mm

Thickness

12.8mm

10.85mm

Lug Width

20mm

19mm

Material

Stainless Steel

316L Stainless Steel

Water Resistance

200m

100m

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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