Which is cheaper, the Helgray Bomber Quartz - Brigadier Gray (Prototype) or the Grand Seiko SBGW257?

At MSRP the Helgray Bomber Quartz - Brigadier Gray (Prototype) is the cheaper of the two at $249, against $38,000 for the Grand Seiko SBGW257 — a $37,751 gap before any retailer discounting.

Which is bigger, the Helgray Bomber Quartz - Brigadier Gray (Prototype) or the Grand Seiko SBGW257?

The Helgray Bomber Quartz - Brigadier Gray (Prototype) wears larger at 40mm versus 38mm for the Grand Seiko SBGW257 — a 2mm difference across the dial.

Which has better water resistance, the Helgray Bomber Quartz - Brigadier Gray (Prototype) or the Grand Seiko SBGW257?

The Helgray Bomber Quartz - Brigadier Gray (Prototype) is rated to 100m versus 30m for the Grand Seiko SBGW257.

Which has a longer power reserve, the Helgray Bomber Quartz - Brigadier Gray (Prototype) or the Grand Seiko SBGW257?

The Grand Seiko SBGW257 carries a 72-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 SBGW257?

The Helgray Bomber Quartz - Brigadier Gray (Prototype) runs a automatic caliber, while the Grand Seiko SBGW257 runs a manual (9S64).

Side by side

Helgray Bomber Quartz - Brigadier Gray (Prototype)vsGrand Seiko SBGW257

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 SBGW257

sbgw257j

MSRP $38,000

At a glance

12 of 29 specs differ

Diameter

Bomber Quartz - Brigadier Gray (Prototype)40mm

SBGW25738mm

Power Reserve

Bomber Quartz - Brigadier Gray (Prototype)40h

SBGW25772h

Water Resistance

Bomber Quartz - Brigadier Gray (Prototype)100m

SBGW25730m

MSRP

Bomber Quartz - Brigadier Gray (Prototype)$249

SBGW257$38,000

Full specifications

Case

7 specs

Crystal & Dial

1 specs

AR Coating

Inner

Yes

Movement

3 specs

Caliber

—

9S64

Type

Automatic

Manual

Power Reserve

40h

72h

Pricing

1 specs

MSRP

$249

$38,000

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