Which is cheaper, the Bremont Altitude Chronograph or the Glycine Combat Sub?

At MSRP the Glycine Combat Sub is the cheaper of the two at $1,850, against $6,300 for the Bremont Altitude Chronograph — a $4,450 gap before any retailer discounting.

Which is bigger, the Bremont Altitude Chronograph or the Glycine Combat Sub?

The Bremont Altitude Chronograph wears larger at 42mm versus 36mm for the Glycine Combat Sub — a 6mm difference across the dial.

Which has better water resistance, the Bremont Altitude Chronograph or the Glycine Combat Sub?

The Glycine Combat Sub is rated to 300m versus 100m for the Bremont Altitude Chronograph.

Which has a longer power reserve, the Bremont Altitude Chronograph or the Glycine Combat Sub?

The Bremont Altitude Chronograph carries a 40-hour power reserve against 38 hours on the Glycine Combat Sub.

What movement does the Bremont Altitude Chronograph run compared to the Glycine Combat Sub?

Both watches run automatic movements — the Bremont Altitude Chronograph uses the BE-50AE and the Glycine Combat Sub uses the SW200-1.

Side by side

Bremont Altitude ChronographvsGlycine Combat Sub

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

Glycine Combat Sub

GL0397

MSRP $1,850

At a glance

18 of 29 specs differ

Diameter

Altitude Chronograph42mm

Combat Sub36mm

Power Reserve

Altitude Chronograph40h

Combat Sub38h

Water Resistance

Altitude Chronograph100m

Combat Sub300m

MSRP

Altitude Chronograph$6,300

Combat Sub$1,850

Full specifications

Case

8 specs

Crystal & Dial

5 specs

Crystal Shape

Flat

—

AR Coating

Inner

—

Dial Color

Silver

Black

Indices

Applied

—

Lume

None

Luminous

Movement

4 specs

Caliber

BE-50AE

SW200-1

Power Reserve

40h

38h

Jewels

Complications

None

Date

Pricing

1 specs

MSRP

$6,300

$1,850

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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.

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Glycine Combat Sub

The Glycine Combat Sub is widely praised for its excellent value, thin case height (ranging from 10.4mm to 10.8mm), and comfortable wearability due to downward-curving lugs, with owners noting its quality and finishing punch well above its price point. Reviewers and owners consistently highlight its smooth bezel action, crisp font, and a unique aesthetic that avoids being a direct homage. However, criticisms include sub-par lume that is difficult to read in low light and an inconsistent power reserve, with some owners suggesting it may require servicing. Opinions are split on the 42mm size, with some finding it perfect and others preferring a smaller variant. On balance, owners and reviewers rate the Glycine Combat Sub highly for its exceptional thinness and quality finishing at its price point.

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