Which is cheaper, the Helgray Bomber Quartz - Brigadier Gray (Prototype) or the Grand Seiko SLGW004?

At MSRP the Helgray Bomber Quartz - Brigadier Gray (Prototype) is the cheaper of the two at $249, against $30,000 for the Grand Seiko SLGW004 — a $29,751 gap before any retailer discounting.

Which is bigger, the Helgray Bomber Quartz - Brigadier Gray (Prototype) or the Grand Seiko SLGW004?

The Helgray Bomber Quartz - Brigadier Gray (Prototype) wears larger at 40mm versus 38.8mm for the Grand Seiko SLGW004 — a 1.2mm difference across the dial.

Which has better water resistance, the Helgray Bomber Quartz - Brigadier Gray (Prototype) or the Grand Seiko SLGW004?

The Helgray Bomber Quartz - Brigadier Gray (Prototype) is rated to 100m versus 30m for the Grand Seiko SLGW004.

Which has a longer power reserve, the Helgray Bomber Quartz - Brigadier Gray (Prototype) or the Grand Seiko SLGW004?

The Grand Seiko SLGW004 carries a 80-hour power reserve against 40 hours on the Helgray Bomber Quartz - Brigadier Gray (Prototype).

What movement does the Helgray Bomber Quartz - Brigadier Gray (Prototype) run compared to the Grand Seiko SLGW004?

The Helgray Bomber Quartz - Brigadier Gray (Prototype) runs a automatic caliber, while the Grand Seiko SLGW004 runs a manual (9SA4).

Side by side

Helgray Bomber Quartz - Brigadier Gray (Prototype)vsGrand Seiko SLGW004

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

Helgray Bomber Quartz - Brigadier Gray (Prototype)

bomber-quartz-brigadier-gray

MSRP $249

Grand Seiko SLGW004

slgw004j

MSRP $30,000

At a glance

12 of 29 specs differ

Diameter

Bomber Quartz - Brigadier Gray (Prototype)40mm

SLGW00438.8mm

Power Reserve

Bomber Quartz - Brigadier Gray (Prototype)40h

SLGW00480h

Water Resistance

Bomber Quartz - Brigadier Gray (Prototype)100m

SLGW00430m

MSRP

Bomber Quartz - Brigadier Gray (Prototype)$249

SLGW004$30,000

Full specifications

Case

7 specs

Crystal & Dial

1 specs

AR Coating

Inner

Yes

Movement

3 specs

Caliber

—

9SA4

Type

Automatic

Manual

Power Reserve

40h

80h

Pricing

1 specs

MSRP

$249

$30,000

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