Which is bigger, the Sheffield Deep Gray 300 or the Tudor Black Bay?

The Sheffield Deep Gray 300 wears larger at 42mm versus 41mm for the Tudor Black Bay — a 1mm difference across the dial.

Which has better water resistance, the Sheffield Deep Gray 300 or the Tudor Black Bay?

The Sheffield Deep Gray 300 is rated to 300m versus 200m for the Tudor Black Bay.

Which has a longer power reserve, the Sheffield Deep Gray 300 or the Tudor Black Bay?

The Tudor Black Bay carries a 70-hour power reserve against 40 hours on the Sheffield Deep Gray 300.

What movement does the Sheffield Deep Gray 300 run compared to the Tudor Black Bay?

Both watches run automatic movements — the Sheffield Deep Gray 300 uses the Seiko NH35 and the Tudor Black Bay uses the MT5602.

Side by side

Sheffield Deep Gray 300vsTudor Black Bay

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

m79230g-0001

At a glance

11 of 29 specs differ

Diameter

Deep Gray 30042mm

Black Bay41mm

Power Reserve

Deep Gray 30040h

Black Bay70h

Water Resistance

Deep Gray 300300m

Black Bay200m

MSRP

Deep Gray 300$258

Black Bay—

Full specifications

Case

7 specs

Crystal & Dial

1 specs

Dial Color

—

Black

Movement

2 specs

Caliber

Seiko NH35

MT5602

Power Reserve

40h

70h

Pricing

1 specs

MSRP

—

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Sheffield Deep Gray 300vsTudor Black Bay

At a glance

Full specifications

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