Which is cheaper, the Bremont Altitude Chronograph or the Spinnaker Spence 300?

At MSRP the Spinnaker Spence 300 is the cheaper of the two at $650, against $6,300 for the Bremont Altitude Chronograph — a $5,650 gap before any retailer discounting.

Which is bigger, the Bremont Altitude Chronograph or the Spinnaker Spence 300?

The Bremont Altitude Chronograph wears larger at 42mm versus 40mm for the Spinnaker Spence 300 — a 2mm difference across the dial.

Which has better water resistance, the Bremont Altitude Chronograph or the Spinnaker Spence 300?

The Spinnaker Spence 300 is rated to 300m versus 100m for the Bremont Altitude Chronograph.

What movement does the Bremont Altitude Chronograph run compared to the Spinnaker Spence 300?

Both watches run automatic movements — the Bremont Altitude Chronograph uses the BE-50AE and the Spinnaker Spence 300 uses the SII NH35A.

Side by side

Bremont Altitude ChronographvsSpinnaker Spence 300

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

Spinnaker Spence 300

spence-300-automatic-aquamarine-sp-5097-aa

MSRP $650

At a glance

10 of 29 specs differ

Diameter

Altitude Chronograph42mm

Spence 30040mm

Power Reserve

Altitude Chronograph40h

Spence 30040h

Water Resistance

Altitude Chronograph100m

Spence 300300m

MSRP

Altitude Chronograph$6,300

Spence 300$650

Full specifications

Case

7 specs

Crystal & Dial

1 specs

Dial Color

Silver

Aquamarine

Movement

1 specs

Caliber

BE-50AE

SII NH35A

Pricing

1 specs

MSRP

$6,300

$650

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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

Spinnaker Spence 300

The Spinnaker Spence 300 is widely praised for its slim 10.9mm case and 40mm diameter, offering a comfortable and uncommon thin diver design at its price point. Reviewers and owners highlight its value, especially below $350, and its blend of retro design with modern specifications, including a 300m depth rating and a fully indexed bezel. Some owners, however, find the dial printing and bracelet finishing to be less refined, with one noting the bracelet's male end links as a drawback. The consensus is that the Spinnaker Spence 300 is highly regarded for its exceptional value and wearable dimensions, making it a strong contender for an everyday sports watch.

Fratello

WatchUSeek

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