Which is cheaper, the Bremont Altitude MB Meteor or the Seiko Prospex Sea?

At MSRP the Seiko Prospex Sea is the cheaper of the two at $1,100, against $5,300 for the Bremont Altitude MB Meteor — a $4,200 gap before any retailer discounting.

Which is bigger, the Bremont Altitude MB Meteor or the Seiko Prospex Sea?

The Bremont Altitude MB Meteor wears larger at 42mm versus 41.3mm for the Seiko Prospex Sea — a 0.7mm difference across the dial.

Which has better water resistance, the Bremont Altitude MB Meteor or the Seiko Prospex Sea?

The Seiko Prospex Sea is rated to 300m versus 100m for the Bremont Altitude MB Meteor.

Which has a longer power reserve, the Bremont Altitude MB Meteor or the Seiko Prospex Sea?

The Seiko Prospex Sea carries a 72-hour power reserve against 40 hours on the Bremont Altitude MB Meteor.

What movement does the Bremont Altitude MB Meteor run compared to the Seiko Prospex Sea?

Both watches run automatic movements — the Bremont Altitude MB Meteor uses the BE-92AE and the Seiko Prospex Sea uses the 6R55.

Side by side

Bremont Altitude MB MeteorvsSeiko Prospex Sea

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

Bremont Altitude MB Meteor

alt42-mt-ti-bkor-n-s

MSRP $5,300

Seiko Prospex Sea

spb481j1

MSRP $1,100

At a glance

13 of 29 specs differ

Diameter

Altitude MB Meteor42mm

Prospex Sea41.3mm

Power Reserve

Altitude MB Meteor40h

Prospex Sea72h

Water Resistance

Altitude MB Meteor100m

Prospex Sea300m

MSRP

Altitude MB Meteor$5,300

Prospex Sea$1,100

Full specifications

Case

7 specs

Crystal & Dial

2 specs

AR Coating

Inner

Anti-reflective coating on inner surface

Lume

None

LumiBrite on hands, index(es) and bezel

Movement

3 specs

Caliber

BE-92AE

6R55

Power Reserve

40h

72h

Jewels

Pricing

1 specs

MSRP

$5,300

$1,100

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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 MB Meteor

The Bremont Altitude MB Meteor features a 42mm Grade 2 titanium case with black DLC finishing and a refined Trip-Tick construction. Reviewers note its slimmer profile and reduced lug-to-lug distance make it more wearable than previous MB models. The watch has a bi-directional Roto-Click inner bezel, a black dial with Felix the Cat imagery and bright yellow accents, and is powered by the automatic calibre BB14-AH with a 68-hour power reserve. Overall, reviewers highlight the Bremont Altitude MB Meteor's improved wearability and distinctive design elements.

Monochrome·2

Seiko Prospex Sea

Seiko Prospex Sea models are widely praised for their excellent build quality, value for money, and comfortable wearability, with many appreciating the vintage-inspired designs and robust construction. Owners note the silicone straps are surprisingly comfortable and well-finished, and the Lumibrite lume is excellent. However, some find the 44.3mm size and thickness too large for smaller wrists, though others report the sizing as perfect. The 6R15 movement in some variants offers accuracy around +4 seconds per day with a 50-hour power reserve, while newer movements offer more. Some models are criticized for a bracelet width not matching the case size or a rudimentary clasp for their price point. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its impressive case work and finishing at its price point.

A Blog to Watch·6

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