Which is cheaper, the Bremont Altitude Chronograph or the Sinn EZM 3 S?

At MSRP the Sinn EZM 3 S is the cheaper of the two at $3,046, against $6,300 for the Bremont Altitude Chronograph — a $3,254 gap before any retailer discounting.

Which is bigger, the Bremont Altitude Chronograph or the Sinn EZM 3 S?

The Bremont Altitude Chronograph wears larger at 42mm versus 41mm for the Sinn EZM 3 S — a 1mm difference across the dial.

Which has better water resistance, the Bremont Altitude Chronograph or the Sinn EZM 3 S?

The Sinn EZM 3 S is rated to 500m versus 100m for the Bremont Altitude Chronograph.

Which has a longer power reserve, the Bremont Altitude Chronograph or the Sinn EZM 3 S?

The Bremont Altitude Chronograph carries a 40-hour power reserve against 38 hours on the Sinn EZM 3 S.

What movement does the Bremont Altitude Chronograph run compared to the Sinn EZM 3 S?

Both watches run automatic movements — the Bremont Altitude Chronograph uses the BE-50AE and the Sinn EZM 3 S uses the SW200-1.

Side by side

Bremont Altitude ChronographvsSinn EZM 3 S

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

Sinn EZM 3 S

EZM 3 S

MSRP $3,046

At a glance

18 of 29 specs differ

Diameter

Altitude Chronograph42mm

EZM 3 S41mm

Power Reserve

Altitude Chronograph40h

EZM 3 S38h

Water Resistance

Altitude Chronograph100m

EZM 3 S500m

MSRP

Altitude Chronograph$6,300

EZM 3 S$3,046

Full specifications

Case

8 specs

Crystal & Dial

5 specs

Crystal Shape

Flat

—

AR Coating

Inner

Underside

Dial Color

Silver

Black

Indices

Applied

—

Lume

None

Luminescent

Movement

4 specs

Caliber

BE-50AE

SW200-1

Power Reserve

40h

38h

Jewels

Complications

None

Date

Pricing

1 specs

MSRP

$6,300

$3,046

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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

Sinn EZM 3 S

The Sinn EZM 3 S is a tactical dive watch built for extreme conditions, featuring a 500-meter depth rating and Tegiment technology for enhanced scratch resistance. It is powered by a Sellita SW200-1 movement, offering a 38-hour power reserve. On balance, reviewers highlight its robust build and purpose-driven design for demanding environments.

A Blog to Watch

Fratello

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