Which is cheaper, the MKII Hellion or the Sheffield 1A 40mm?

At MSRP the Sheffield 1A 40mm is the cheaper of the two at $228, against $649 for the MKII Hellion — a $421 gap before any retailer discounting.

Which is bigger, the MKII Hellion or the Sheffield 1A 40mm?

The Sheffield 1A 40mm wears larger at 40mm versus 39mm for the MKII Hellion — a 1mm difference across the dial.

Which has better water resistance, the MKII Hellion or the Sheffield 1A 40mm?

The Sheffield 1A 40mm is rated to 200m versus 100m for the MKII Hellion.

What movement does the MKII Hellion run compared to the Sheffield 1A 40mm?

Both watches run automatic movements — the MKII Hellion uses the TMI NH38 and the Sheffield 1A 40mm uses the Seiko NH35.

Side by side

MKII HellionvsSheffield 1A 40mm

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

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MKII Hellion

MSRP $649

Sheffield 1A 40mm

allsport-1-auto

MSRP $228

At a glance

9 of 29 specs differ

Diameter

Hellion39mm

1A 40mm40mm

Power Reserve

Hellion—

1A 40mm40h

Water Resistance

Hellion100m

1A 40mm200m

MSRP

Hellion$649

1A 40mm$228

Full specifications

Case

4 specs

Diameter

39mm

40mm

Thickness

13.55mm

13mm

Lug-to-Lug

48.5mm

48mm

Water Resistance

100m

200m

Crystal & Dial

2 specs

Dial Color

Black

—

Lume

SuperLuminova

None

Movement

2 specs

Caliber

TMI NH38

Seiko NH35

Power Reserve

—

40h

Pricing

1 specs

MSRP

$649

$228

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MKII HellionvsSheffield 1A 40mm

At a glance

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