Side by side

Bremont ALT1-CvsCitizen Eco-Drive One

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

ALT1-C
BremontALT1-C
MSRP $6,150
Eco-Drive One
CitizenEco-Drive One
MSRP $4,995

At a glance

12 of 29 specs differ
Diameter
ALT1-C43mm
Eco-Drive One38.6mm
Power Reserve
ALT1-C40h
Eco-Drive One40h
Water Resistance
ALT1-C100m
Eco-Drive One50m
MSRP
ALT1-C$6,150
Eco-Drive One$4,995

Full specifications

Case

7 specs
Category
Chronograph
Dress
Diameter
43mm
38.6mm
Thickness
16mm
3.88mm
Lug-to-Lug
46mm
Lug Width
22mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
100m
50m

Crystal & Dial

2 specs
AR Coating
Inner
Underside
Dial Color
Regular length (15cm - 19cm wrist size)
Blue

Movement

2 specs
Caliber
BE-50AE
8826
Type
Automatic
Solar

Pricing

1 specs
MSRP
$6,150
$4,995

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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 ALT1-C

Owners widely praise the Bremont ALT1-C for its flawless brushed case finish, attractive cream dial with excellent contrast from anthracite sub-dials, and comfortable, balanced wearability. The watch features a well-finished strap and a movement that is a joy to wind, with precise chronograph operation. Reviewers note refined feuille hands and polished Arabic numerals with a golden tinge, balancing ruggedness with elegance. The Bremont ALT1-C averages +3 seconds per day, though one reviewer flags its 16mm height as less than ideal for under-cuff wear and describes the date window as narrow. The modified Valjoux 7750 movement's rotor spin is noticeable. Overall, owners rate the Bremont ALT1-C highly for its refined aesthetics and enjoyable user experience.

Citizen Eco-Drive One

The Citizen Eco-Drive One is widely celebrated for its groundbreaking thinness, with multiple sources confirming a case thickness of 2.98mm, making it the world's thinnest light-powered watch. Owners and reviewers alike praise its "wow factor," describing it as "svelte" and "beautiful" with a titanium case and bracelet that feels exceptionally light on the wrist. The Eco-Drive quartz movement offers a power reserve of up to 100 days, and its miniaturization is considered impressive. However, the price is noted as a significant barrier for some, and one owner finds its aesthetic too plain or dated. Servicing is restricted to authorized centers due to proprietary construction. Overall, owners and reviewers rate the Citizen Eco-Drive One highly for its extreme thinness and lightweight titanium construction.

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