Which is cheaper, the Seestern Sub 300 V4 or the Sheffield Deep Gray 300?

At MSRP the Seestern Sub 300 V4 is the cheaper of the two at $10, against $258 for the Sheffield Deep Gray 300 — a $248 gap before any retailer discounting.

Which has better water resistance, the Seestern Sub 300 V4 or the Sheffield Deep Gray 300?

The Sheffield Deep Gray 300 is rated to 300m versus 200m for the Seestern Sub 300 V4.

Which has a longer power reserve, the Seestern Sub 300 V4 or the Sheffield Deep Gray 300?

The Seestern Sub 300 V4 carries a 41-hour power reserve against 40 hours on the Sheffield Deep Gray 300.

What movement does the Seestern Sub 300 V4 run compared to the Sheffield Deep Gray 300?

Both watches run automatic movements — the Seestern Sub 300 V4 uses the Seiko NH35A and the Sheffield Deep Gray 300 uses the Seiko NH35.

Side by side

Seestern Sub 300 V4vsSheffield Deep Gray 300

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

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Seestern Sub 300 V4

Sub 300 V4

MSRP $10

Sheffield Deep Gray 300

deep-gray-300

MSRP $258

At a glance

17 of 29 specs differ

Diameter

Sub 300 V442mm

Deep Gray 30042mm

Power Reserve

Sub 300 V441h

Deep Gray 30040h

Water Resistance

Sub 300 V4200m

Deep Gray 300300m

MSRP

Sub 300 V4$10

Deep Gray 300$258

Full specifications

Case

8 specs

Crystal & Dial

3 specs

AR Coating

Underside

Inner

Dial Color

Orange

—

Lume

Japan Lume (blue glow)

None

Movement

5 specs

Caliber

Seiko NH35A

Seiko NH35

Beat Rate

21,600 vph

28,800 vph

Power Reserve

41h

40h

Jewels

Complications

GMT, Date

None

Pricing

1 specs

MSRP

$10

—

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Seestern Sub 300 V4vsSheffield Deep Gray 300

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