Which is cheaper, the Hamilton Khaki Navy Frogman Auto or the Sheffield 1A?

At MSRP the Sheffield 1A is the cheaper of the two at $223, against $1,395 for the Hamilton Khaki Navy Frogman Auto — a $1,172 gap before any retailer discounting.

Which is bigger, the Hamilton Khaki Navy Frogman Auto or the Sheffield 1A?

The Hamilton Khaki Navy Frogman Auto wears larger at 41mm versus 40mm for the Sheffield 1A — a 1mm difference across the dial.

Which has better water resistance, the Hamilton Khaki Navy Frogman Auto or the Sheffield 1A?

The Hamilton Khaki Navy Frogman Auto is rated to 300m versus 200m for the Sheffield 1A.

What movement does the Hamilton Khaki Navy Frogman Auto run compared to the Sheffield 1A?

Both watches run automatic movements — the Hamilton Khaki Navy Frogman Auto uses the H-10 and the Sheffield 1A uses the Seiko NH35A.

Side by side

Hamilton Khaki Navy Frogman AutovsSheffield 1A

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

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Hamilton Khaki Navy Frogman Auto

h77455330

MSRP $1,395

Sheffield 1A

diver-1a-40mm-white

MSRP $223

At a glance

8 of 29 specs differ

Diameter

Khaki Navy Frogman Auto41mm

1A40mm

Power Reserve

Khaki Navy Frogman Auto80h

1A—

Water Resistance

Khaki Navy Frogman Auto300m

1A200m

MSRP

Khaki Navy Frogman Auto$1,395

1A$223

Full specifications

Case

3 specs

Diameter

41mm

40mm

Thickness

13.09mm

12.8mm

Water Resistance

300m

200m

Crystal & Dial

2 specs

Dial Color

Black

White/Blue

Lume

None

Swiss blue lume

Movement

2 specs

Caliber

H-10

Seiko NH35A

Power Reserve

80h

—

Pricing

1 specs

MSRP

$1,395

$223

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Hamilton Khaki Navy Frogman AutovsSheffield 1A

At a glance

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