Which is cheaper, the Bremont Altitude Chronograph or the Grand Seiko SBGX355?

At MSRP the Grand Seiko SBGX355 is the cheaper of the two at $4,100, against $6,300 for the Bremont Altitude Chronograph — a $2,200 gap before any retailer discounting.

Which is bigger, the Bremont Altitude Chronograph or the Grand Seiko SBGX355?

The Bremont Altitude Chronograph wears larger at 42mm versus 37mm for the Grand Seiko SBGX355 — a 5mm difference across the dial.

What movement does the Bremont Altitude Chronograph run compared to the Grand Seiko SBGX355?

The Bremont Altitude Chronograph runs a automatic caliber (BE-50AE), while the Grand Seiko SBGX355 runs a quartz (9F62).

Side by side

Bremont Altitude ChronographvsGrand Seiko SBGX355

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 SBGX355

sbgx355g

MSRP $4,100

At a glance

11 of 29 specs differ

Diameter

Altitude Chronograph42mm

SBGX35537mm

Power Reserve

Altitude Chronograph40h

SBGX35540h

Water Resistance

Altitude Chronograph100m

SBGX355100m

MSRP

Altitude Chronograph$6,300

SBGX355$4,100

Full specifications

Case

6 specs

Crystal & Dial

2 specs

AR Coating

Inner

Yes

Dial Color

Silver

Black

Movement

2 specs

Caliber

BE-50AE

9F62

Type

Automatic

Quartz

Pricing

1 specs

MSRP

$6,300

$4,100

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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 SBGX355

The Grand Seiko SBGX355 is widely praised for its beautiful dial, excellent finishing, and perfect 37mm size. Owners report unparalleled accuracy from the 9F62 quartz movement, rated to within 10 seconds per year. The high-intensity titanium case and 100m water resistance are noted features. Some consider the SBGX355 a "baby Snowflake" and a more accessible alternative to other models. Overall, owners and reviewers rate the Grand Seiko SBGX355 highly for its iconic Snowflake dial and exceptional quartz accuracy in a wearable 37mm case.

From video reviewers

The titanium case finishing is a significant strength. The deployant clasp is noted as prone to rattle. Reviewers disagree on the ideal case size for everyday wear.

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