Side by side

Bremont SupernovavsCitizen Eco-Drive

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

Supernova
BremontSupernova
MSRP $8,250
Eco-Drive
CitizenEco-Drive
MSRP $338

At a glance

11 of 29 specs differ
Diameter
Supernova41mm
Eco-Drive42.3mm
Power Reserve
Supernova40h
Eco-Drive40h
Water Resistance
Supernova100m
Eco-Drive100m
MSRP
Supernova$8,250
Eco-Drive$338

Full specifications

Case

6 specs
Category
Chronograph
Casual
Diameter
41mm
42.3mm
Thickness
14.4mm
12mm
Lug-to-Lug
46mm
Lug Width
14.4mm
20mm
Material
316L Stainless Steel (DLC coated)
Stainless Steel

Crystal & Dial

2 specs
Crystal
Sapphire
Mineral
Dial Color
Chronograph Bracelet
Green

Movement

2 specs
Caliber
J800
Type
Automatic
Solar

Pricing

1 specs
MSRP
$8,250
$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 Supernova

The Bremont Supernova is praised for its new ENG375 movement, big date, and power reserve indicator, with its 40mm steel case featuring mixed finishing and an integrated bracelet. Owners note good but not great lume, well-balanced proportions, and a premium feel for its price, despite a 173-gram weight. Some community members find the design derivative and the £8,000 price tag overly optimistic, with mixed views on the date window and crown guard. The proprietary Trip-Tick case construction offers shock protection, and the movement provides a 65-hour power reserve. Overall, owners and reviewers highlight the integrated bracelet and proprietary movement as key strengths of the Bremont Supernova.

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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