Side by side

Bremont Altitude ChronographvsSpinnaker Dumas GMT

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

Altitude Chronograph
BremontAltitude Chronograph
MSRP $6,300
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

10 of 29 specs differ
Diameter
Altitude Chronograph42mm
Dumas GMT44mm
Power Reserve
Altitude Chronograph40h
Dumas GMT40h
Water Resistance
Altitude Chronograph100m
Dumas GMT300m
MSRP
Altitude Chronograph$6,300
Dumas GMT$399

Full specifications

Case

7 specs
Category
Chronograph
GMT
Diameter
42mm
44mm
Thickness
14.7mm
15mm
Lug-to-Lug
48mm
Lug Width
14.7mm
22mm
Material
316L Stainless Steel (DLC coated)
316L Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

1 specs
Dial Color
Silver
Blue

Movement

1 specs
Caliber
BE-50AE
Seiko NH34A

Pricing

1 specs
MSRP
$6,300
$399

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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.

Spinnaker Dumas GMT

Owners praise the Spinnaker Dumas GMT's satisfying lume, including on the crown, and good finishing, with one owner finding it wears well on a 17cm wrist. The watch features a Seiko NH34A GMT movement and a blue gradient dial. Reviewers note its 44mm diameter and 209g weight on the bracelet make it unsuitable for smaller wrists.

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