Which is cheaper, the Bremont Altitude 39 Date or the Grand Seiko SBGW306?

At MSRP the Bremont Altitude 39 Date is the cheaper of the two at $4,250, against $17,900 for the Grand Seiko SBGW306 — a $13,650 gap before any retailer discounting.

Which is bigger, the Bremont Altitude 39 Date or the Grand Seiko SBGW306?

The Bremont Altitude 39 Date wears larger at 39mm versus 36.5mm for the Grand Seiko SBGW306 — a 2.5mm difference across the dial.

Which has a longer power reserve, the Bremont Altitude 39 Date or the Grand Seiko SBGW306?

The Grand Seiko SBGW306 carries a 72-hour power reserve against 40 hours on the Bremont Altitude 39 Date.

What movement does the Bremont Altitude 39 Date run compared to the Grand Seiko SBGW306?

The Bremont Altitude 39 Date runs a automatic caliber (BE-92AE), while the Grand Seiko SBGW306 runs a manual (9S64).

Side by side

Bremont Altitude 39 DatevsGrand Seiko SBGW306

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

Bremont Altitude 39 Date

alt39-dt-ss-si-l-s

MSRP $4,250

Grand Seiko SBGW306

sbgw306j

MSRP $17,900

At a glance

12 of 29 specs differ

Diameter

Altitude 39 Date39mm

SBGW30636.5mm

Power Reserve

Altitude 39 Date40h

SBGW30672h

Water Resistance

Altitude 39 Date100m

SBGW306100m

MSRP

Altitude 39 Date$4,250

SBGW306$17,900

Full specifications

Case

6 specs

Crystal & Dial

2 specs

AR Coating

Inner

Yes

Dial Color

Silver

Black

Movement

3 specs

Caliber

BE-92AE

9S64

Type

Automatic

Manual

Power Reserve

40h

72h

Pricing

1 specs

MSRP

$4,250

$17,900

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Bremont Altitude 39 DatevsGrand Seiko SBGW306

At a glance

Full specifications

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