Which is bigger, the Beaufort Seatrekker or the Sheffield 1A SCR II Blue?

The Sheffield 1A SCR II Blue wears larger at 40mm versus 39mm for the Beaufort Seatrekker — a 1mm difference across the dial.

Which has a longer power reserve, the Beaufort Seatrekker or the Sheffield 1A SCR II Blue?

The Beaufort Seatrekker carries a 42-hour power reserve against 40 hours on the Sheffield 1A SCR II Blue.

What movement does the Beaufort Seatrekker run compared to the Sheffield 1A SCR II Blue?

Both watches run automatic movements — the Beaufort Seatrekker uses the Miyota 9039 and the Sheffield 1A SCR II Blue uses the Seiko NH35.

Side by side

Beaufort SeatrekkervsSheffield 1A SCR II Blue

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

Add a watch

Beaufort Seatrekker

seatrekker-blue

Sheffield 1A SCR II Blue

1a-scr-ii-blue

MSRP $278

At a glance

8 of 29 specs differ

Diameter

Seatrekker39mm

1A SCR II Blue40mm

Power Reserve

Seatrekker42h

1A SCR II Blue40h

Water Resistance

Seatrekker200m

1A SCR II Blue200m

MSRP

Seatrekker—

1A SCR II Blue$278

Full specifications

Case

4 specs

Diameter

39mm

40mm

Thickness

12.55mm

13mm

Lug-to-Lug

—

48mm

Lug Width

—

20mm

Crystal & Dial

1 specs

Lume

C3 Super-LumiNova applied to indices and hands for low-light readability.

None

Movement

2 specs

Caliber

Miyota 9039

Seiko NH35

Power Reserve

42h

40h

Pricing

1 specs

MSRP

—

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Beaufort SeatrekkervsSheffield 1A SCR II Blue

At a glance

Full specifications

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