Which is cheaper, the Sheffield 1A or the Spinnaker Hull Diver?

At MSRP the Sheffield 1A is the cheaper of the two at $223, against $375 for the Spinnaker Hull Diver — a $152 gap before any retailer discounting.

Which is bigger, the Sheffield 1A or the Spinnaker Hull Diver?

The Spinnaker Hull Diver wears larger at 42mm versus 40mm for the Sheffield 1A — a 2mm difference across the dial.

Which has better water resistance, the Sheffield 1A or the Spinnaker Hull Diver?

The Spinnaker Hull Diver is rated to 300m versus 200m for the Sheffield 1A.

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

Both watches run automatic movements — the Sheffield 1A uses the Seiko NH35A and the Spinnaker Hull Diver uses the SII NH35A.

Side by side

Sheffield 1AvsSpinnaker Hull 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

Spinnaker Hull Diver

hull-alligator-green-sp-5088-03

MSRP $375

At a glance

11 of 29 specs differ

Diameter

1A40mm

Hull Diver42mm

Power Reserve

1A—

Hull Diver40h

Water Resistance

1A200m

Hull Diver300m

MSRP

1A$223

Hull Diver$375

Full specifications

Case

6 specs

Diameter

40mm

42mm

Thickness

12.8mm

15mm

Lug-to-Lug

46mm

47.5mm

Lug Width

20mm

22mm

Material

Stainless Steel

316L Stainless Steel

Water Resistance

200m

300m

Crystal & Dial

2 specs

Dial Color

White/Blue

Green

Lume

Swiss blue lume

None

Movement

2 specs

Caliber

Seiko NH35A

SII NH35A

Power Reserve

—

40h

Pricing

1 specs

MSRP

$223

$375

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Sheffield 1AvsSpinnaker Hull Diver

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