Which is cheaper, the AVI-8 Flyboy Airmaster Sector Meca-Quartz or the Grand Seiko SBGR321?

At MSRP the AVI-8 Flyboy Airmaster Sector Meca-Quartz is the cheaper of the two at $180, against $5,200 for the Grand Seiko SBGR321 — a $5,020 gap before any retailer discounting.

Which has better water resistance, the AVI-8 Flyboy Airmaster Sector Meca-Quartz or the Grand Seiko SBGR321?

The Grand Seiko SBGR321 is rated to 100m versus 50m for the AVI-8 Flyboy Airmaster Sector Meca-Quartz.

Which has a longer power reserve, the AVI-8 Flyboy Airmaster Sector Meca-Quartz or the Grand Seiko SBGR321?

The Grand Seiko SBGR321 carries a 72-hour power reserve against 40 hours on the AVI-8 Flyboy Airmaster Sector Meca-Quartz.

What movement does the AVI-8 Flyboy Airmaster Sector Meca-Quartz run compared to the Grand Seiko SBGR321?

The AVI-8 Flyboy Airmaster Sector Meca-Quartz runs a meca-quartz caliber, while the Grand Seiko SBGR321 runs a automatic (9S65).

Side by side

AVI-8 Flyboy Airmaster Sector Meca-QuartzvsGrand Seiko SBGR321

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

AVI-8 Flyboy Airmaster Sector Meca-Quartz

flyboy-airmaster-sector-meca-quartz-raven-black-av-4112-01

MSRP $180

Grand Seiko SBGR321

sbgr321g

MSRP $5,200

At a glance

11 of 29 specs differ

Diameter

Flyboy Airmaster Sector Meca-Quartz40mm

SBGR32140mm

Power Reserve

Flyboy Airmaster Sector Meca-Quartz40h

SBGR32172h

Water Resistance

Flyboy Airmaster Sector Meca-Quartz50m

SBGR321100m

MSRP

Flyboy Airmaster Sector Meca-Quartz$180

SBGR321$5,200

Full specifications

Case

5 specs

Crystal & Dial

2 specs

Crystal

Mineral

Sapphire

AR Coating

Inner

Yes

Movement

3 specs

Caliber

—

9S65

Type

Quartz

Automatic

Power Reserve

40h

72h

Pricing

1 specs

MSRP

$180

$5,200

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