Which is cheaper, the Beaufort Aerotimer or the Sheffield 1A?

At MSRP the Sheffield 1A is the cheaper of the two at $223, against $599 for the Beaufort Aerotimer — a $376 gap before any retailer discounting.

Which has better water resistance, the Beaufort Aerotimer or the Sheffield 1A?

The Sheffield 1A is rated to 200m versus 100m for the Beaufort Aerotimer.

What movement does the Beaufort Aerotimer run compared to the Sheffield 1A?

Both watches run automatic movements — the Beaufort Aerotimer uses the STP 1-11 and the Sheffield 1A uses the Seiko NH35A.

Side by side

Beaufort AerotimervsSheffield 1A

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

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Beaufort Aerotimer

aerotimer-navygilt

MSRP $599

Sheffield 1A

diver-1a-40mm-white

MSRP $223

At a glance

10 of 29 specs differ

Diameter

Aerotimer40mm

1A40mm

Power Reserve

Aerotimer42h

1A—

Water Resistance

Aerotimer100m

1A200m

MSRP

Aerotimer$599

1A$223

Full specifications

Case

5 specs

Crystal & Dial

2 specs

Dial Color

Navy

White/Blue

Lume

C1 Super-LumiNova applied to 3hr, 6hr, 9hr, and 12hr indices and hands for low-l

Swiss blue lume

Movement

2 specs

Caliber

STP 1-11

Seiko NH35A

Power Reserve

42h

—

Pricing

1 specs

MSRP

$599

$223

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Beaufort AerotimervsSheffield 1A

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