Side by side

Bremont Altitude ChronographvsCitizen Eco-Drive

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

Altitude Chronograph
BremontAltitude Chronograph
MSRP $6,300
Eco-Drive
CitizenEco-Drive
MSRP $338

At a glance

11 of 29 specs differ
Diameter
Altitude Chronograph42mm
Eco-Drive42.3mm
Power Reserve
Altitude Chronograph40h
Eco-Drive40h
Water Resistance
Altitude Chronograph100m
Eco-Drive100m
MSRP
Altitude Chronograph$6,300
Eco-Drive$338

Full specifications

Case

6 specs
Category
Chronograph
Casual
Diameter
42mm
42.3mm
Thickness
14.7mm
12mm
Lug-to-Lug
46mm
Lug Width
14.7mm
20mm
Material
316L Stainless Steel (DLC coated)
Stainless Steel

Crystal & Dial

2 specs
Crystal
Sapphire
Mineral
Dial Color
Silver
Green

Movement

2 specs
Caliber
BE-50AE
J800
Type
Automatic
Solar

Pricing

1 specs
MSRP
$6,300
$338

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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.

Citizen Eco-Drive

Citizen Eco-Drive watches are widely praised for exceptional durability and reliability, with many owners reporting theirs lasting over a decade without issue and some even suggesting they are "Buy It For Life" (BIFL) models. Owners appreciate the ease of use and reliability of the solar-powered quartz movement, with one noting their watch was only off by 2 minutes after five years of disuse. Specific models are noted for their engineering marvels, such as the world's thinnest light-powered watch at 2.98mm thick, a 100-day power reserve, and materials like cermet bezels and titanium construction with sapphire crystals. However, a few users have experienced malfunctions, including one chronograph that stopped keeping time shortly after purchase, requiring a lengthy warranty repair. The battery can degrade and may need replacement after 20+ years, and owners suggest keeping the watch charged in light to prolong its life.

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