Which is cheaper, the Bremont Altitude Chronograph or the Grand Seiko SBGH347?

At MSRP the Bremont Altitude Chronograph is the cheaper of the two at $6,300, against $7,300 for the Grand Seiko SBGH347 — a $1,000 gap before any retailer discounting.

Which is bigger, the Bremont Altitude Chronograph or the Grand Seiko SBGH347?

The Bremont Altitude Chronograph wears larger at 42mm versus 37mm for the Grand Seiko SBGH347 — a 5mm difference across the dial.

Which has a longer power reserve, the Bremont Altitude Chronograph or the Grand Seiko SBGH347?

The Grand Seiko SBGH347 carries a 55-hour power reserve against 40 hours on the Bremont Altitude Chronograph.

What movement does the Bremont Altitude Chronograph run compared to the Grand Seiko SBGH347?

Both watches run automatic movements — the Bremont Altitude Chronograph uses the BE-50AE and the Grand Seiko SBGH347 uses the 9S85.

Side by side

Bremont Altitude ChronographvsGrand Seiko SBGH347

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

Bremont Altitude Chronograph

alt42-chr-g-ss-si-l-s

MSRP $6,300

Grand Seiko SBGH347

sbgh347g

MSRP $7,300

At a glance

11 of 29 specs differ

Diameter

Altitude Chronograph42mm

SBGH34737mm

Power Reserve

Altitude Chronograph40h

SBGH34755h

Water Resistance

Altitude Chronograph100m

SBGH347100m

MSRP

Altitude Chronograph$6,300

SBGH347$7,300

Full specifications

Case

6 specs

Crystal & Dial

2 specs

AR Coating

Inner

Yes

Dial Color

Silver

Black

Movement

2 specs

Caliber

BE-50AE

9S85

Power Reserve

40h

55h

Pricing

1 specs

MSRP

$6,300

$7,300

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Bremont Altitude Chronograph

Owners note faint marks on the case sides and back, with minor wear and creasing on the strap. Reviewers flag the "DANGER EJECTION SEAT" wordmark on the dial as a divisive design choice that disrupts the MB series' usual stark tone, though they praise the improved smoothness and click precision of the Roto Click rotating bezel. On balance, the Bremont Altitude Chronograph elicits mixed reactions, with design elements like the dial text being a point of contention for reviewers.

A Blog to Watch

WatchUSeek

Grand Seiko SBGH347

The Grand Seiko SBGH347 is lauded for its refined 37mm Ever-Brilliant Steel case, impressive Zaratsu polishing, and classy ice-blue dial inspired by frozen waterfalls. Its Hi-Beat 9S85 movement is a significant draw, and the framed date window is preferred over a cyclops. Reviewers note the bracelet lacks micro-adjustment or a quick-change system, and some wished the 13.3mm thickness was slightly thinner on the compact case. Overall, reviewers praise the Grand Seiko SBGH347 for its elevated finish and value, with the Hi-Beat movement being a significant draw.

Time + Tide

Monochrome

Fratello

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