Which is cheaper, the Sheffield Deep Gray 300 or the Zero West M1 Mosquito (44mm)?

At MSRP the Sheffield Deep Gray 300 is the cheaper of the two at $258, against $4,770 for the Zero West M1 Mosquito (44mm) — a $4,512 gap before any retailer discounting.

Which is bigger, the Sheffield Deep Gray 300 or the Zero West M1 Mosquito (44mm)?

The Zero West M1 Mosquito (44mm) wears larger at 44mm versus 42mm for the Sheffield Deep Gray 300 — a 2mm difference across the dial.

Which has better water resistance, the Sheffield Deep Gray 300 or the Zero West M1 Mosquito (44mm)?

The Sheffield Deep Gray 300 is rated to 300m versus 100m for the Zero West M1 Mosquito (44mm).

Which has a longer power reserve, the Sheffield Deep Gray 300 or the Zero West M1 Mosquito (44mm)?

The Zero West M1 Mosquito (44mm) 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 Mosquito (44mm)?

Both watches run automatic movements — the Sheffield Deep Gray 300 uses the Seiko NH35 and the Zero West M1 Mosquito (44mm) uses the Sellita SW200-1.

Side by side

Sheffield Deep Gray 300vsZero West M1 Mosquito (44mm)

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

Add a watch

Sheffield Deep Gray 300

deep-gray-300

MSRP $258

Zero West M1 Mosquito (44mm)

m1-mosquito-44mm

MSRP $4,770

At a glance

8 of 29 specs differ

Diameter

Deep Gray 30042mm

M1 Mosquito (44mm)44mm

Power Reserve

Deep Gray 30040h

M1 Mosquito (44mm)41h

Water Resistance

Deep Gray 300300m

M1 Mosquito (44mm)100m

MSRP

Deep Gray 300$258

M1 Mosquito (44mm)$4,770

Full specifications

Case

4 specs

Diameter

42mm

44mm

Thickness

13.8mm

14.1mm

Lug-to-Lug

52mm

49.6mm

Water Resistance

300m

100m

Crystal & Dial

1 specs

Dial Color

—

Black

Movement

2 specs

Caliber

Seiko NH35

Sellita SW200-1

Power Reserve

40h

41h

Pricing

1 specs

MSRP

—

$4,770

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Sheffield Deep Gray 300vsZero West M1 Mosquito (44mm)

At a glance

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