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Citizen Eco-Drive 41mm Mens Watch
Ref. BM7530-50X
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A dark green dial with a textured central zone gives this 41mm stainless steel watch a composed, unhurried character. Silver-tone baton indices and matching hour, minute, and second hands carry a luminous coating for low-light readability, while the date sits at three o'clock. The sapphire crystal resists everyday scratching, and the case backs 100 metres of water resistance covers swimming comfortably. The silver-tone link bracelet fastens with a fold-over clasp and dual push-button release. Calibre E111 runs on any light source, holding a charge for around six months; a two-second hand hop signals when power is running low.
- Reference
- BM7530-50X
- Brand
- Citizen
- Case size
- 41mm
- Case material
- Stainless steel
- Case shape
- Round
- Dial
- Green
- Crystal
- Sapphire
- Bezel
- Fixed
- Movement
- Solar
- Calibre
- E111
- Functions
- Date
- Water resistance
- 100m
- Bracelet / strap
- Stainless steel bracelet
- Strap colour
- Silver
- Clasp
- Folding clasp
- Lume
- Luminous
- Retailer
- F.Hinds
Learn more about Citizen
The Shokosha Watch Research Institute began in Tokyo in 1918, and the Citizen name was given to its first pocket watch in 1924 by the then mayor of Tokyo, Shinpei Goto, who wanted a watch that would be available to ordinary citizens rather than only the wealthy. The company formally took the name in 1930.
That founding intention has held. Citizen is the largest watch manufacturer in the world by volume and is fully vertically integrated, making its own movements, cases, and electronic components.
Its most significant technology is Eco-Drive, introduced in 1976 and refined over decades. A photovoltaic cell beneath the dial converts any light — including indoor light — into stored energy, so the watch never needs a battery change. Citizen has sold well over a hundred million Eco-Drive watches, and the environmental argument is substantial: hundreds of millions of cells not discarded.
The company also produced the first analogue quartz watch with a titanium case in 1970, the first professional dive watch with an electronic depth sensor, and the Caliber 0100, an Eco-Drive movement accurate to within one second a year — the most accurate independent watch movement ever put into production.
Citizen owns Bulova, Frederique Constant, Alpina, and the movement manufacturer Miyota, whose calibres power a large share of the affordable mechanical watch market worldwide.
- 1918
- The Shokosha Watch Research Institute is founded.
- 1924
- The Citizen name is given to its first pocket watch.
- 1976
- Eco-Drive light-powered technology is introduced.
- 2018
- The Caliber 0100 achieves accuracy of one second a year.
Also in 5 collections
This watch appears in Back in Stock (3,616), Stainless Steel Watches (3,157), Green Dial Watches (436), Watch Price Drops (334) and Solar & Kinetic Watches (225).
Temporarily out of stock
F.Hinds is not currently taking orders for this reference. Last listed as available on 16 September 2026. Stock is checked nightly and this page updates when it returns.
What the specifications mean
Strengths
- 100m water resistance covers swimming and watersports
- Sapphire crystal, which resists scratching
- Luminous hands and markers for low light
- Sits in the lower half of Citizen's range as we list it
Price history
This watch is currently at its lowest recorded price. It reached £269 on 10 August. Prices are checked every day, and we record any changes.
Citizen Eco-Drive alternatives
Watches from other brands at a similar price, style and size, so you can see what else your budget can buy.
| Specification | BM7530-50X | EFS-S650D-2AEF | SNE525P1 |
|---|---|---|---|
| Price | £199 | £175 | £175 |
| Case size | 41mm | 40.9mm | 40mm |
| Water resistance | 100m | 100m | 100m |
| Movement | Solar | Solar | Solar |
| Strap | Stainless steel bracelet | Stainless steel bracelet | Stainless steel bracelet |
| This watch |
|
|
Your new watch
Frequently asked questions, and things you should know about this watch
Can I swim with it?
Yes. At 100m it is rated for swimming and snorkelling, though not for diving.
Water resistance explainedWill the glass scratch?
Unlikely. Sapphire is second only to diamond in hardness and shrugs off everyday marking.
Sapphire, mineral and acrylic comparedDoes it need a battery?
No. It charges from light, and the cell behind that is designed to last a decade or more.
Quartz, automatic and solar comparedIs it a men's or women's watch?
Listed as men's.
Has the price changed recently?
It's currently at its lowest recorded price since we began tracking it. It's ranged between £199 and £269, today it's £199.
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