Which is cheaper, the Sheffield Deep Gray 300 or the Zero West M1 Series?

At MSRP the Sheffield Deep Gray 300 is the cheaper of the two at $258, against $3,600 for the Zero West M1 Series — a $3,342 gap before any retailer discounting.

Which is bigger, the Sheffield Deep Gray 300 or the Zero West M1 Series?

The Sheffield Deep Gray 300 wears larger at 42mm versus 41mm for the Zero West M1 Series — a 1mm difference across the dial.

Which has better water resistance, the Sheffield Deep Gray 300 or the Zero West M1 Series?

The Sheffield Deep Gray 300 is rated to 300m versus 100m for the Zero West M1 Series.

Which has a longer power reserve, the Sheffield Deep Gray 300 or the Zero West M1 Series?

The Zero West M1 Series carries a 41-hour power reserve against 40 hours on the Sheffield Deep Gray 300.

What movement does the Sheffield Deep Gray 300 run compared to the Zero West M1 Series?

Both watches run automatic movements — the Sheffield Deep Gray 300 uses the Seiko NH35 and the Zero West M1 Series uses the Sellita SW200-1.

Side by side

Sheffield Deep Gray 300vsZero West M1 Series

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

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Sheffield Deep Gray 300

deep-gray-300

MSRP $258

Zero West M1 Series

m1-blackout-41mm

MSRP $3,600

At a glance

7 of 29 specs differ

Diameter

Deep Gray 30042mm

M1 Series41mm

Power Reserve

Deep Gray 30040h

M1 Series41h

Water Resistance

Deep Gray 300300m

M1 Series100m

MSRP

Deep Gray 300$258

M1 Series$3,600

Full specifications

Case

4 specs

Diameter

42mm

41mm

Thickness

13.8mm

13.5mm

Lug-to-Lug

52mm

46mm

Water Resistance

300m

100m

Movement

2 specs

Caliber

Seiko NH35

Sellita SW200-1

Power Reserve

40h

41h

Pricing

1 specs

MSRP

—

$3,600

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Sheffield Deep Gray 300vsZero West M1 Series

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