Luxury Watches

Every single week, customers walk in or message us asking the same thing:

"Can I leave my Seiko solar-powered watch in the sun all day? Will the battery explode or get damaged?"

The answer is always the same: NO.

You literally cannot overcharge any Seiko solar-powered watch – men's or ladies' models. Seiko designed them with two separate safety systems, so once the battery is full, the watch stops taking more power. Leave it on a beach towel in July, on the dashboard of your car, or under office lights for five years straight, and nothing bad will happen to the battery or movement.

We have been selling Seiko solar-powered watches in Canada at Bijoux Eclore for years, and we have never once seen a single watch returned because someone "overcharged" it. Not once.

How Seiko Solar Technology Actually Works

Light hits the dial → tiny solar cells hidden under the dial turn light into electricity → electricity goes straight to a small rechargeable battery inside the watch → when the battery is 100 % full, the watch automatically stops charging.

That is the entire process.
Seiko puts two separate protection systems in every solar-powered Seiko watch:

1. Automatic charge control – cuts power the second the battery is full

2. Overcharge prevention circuit – second backup safety, just in case

Because of these two systems, it is impossible to damage the watch by giving it too much light in real life.

Real Charging Times Straight from the Seiko Manual

Even in the middle of a Canadian winter, just wearing the watch under regular office lights keeps it fully charged forever.

How to Charge Your Seiko Solar Powered Watch in Real Life

Just wear it. Seriously.

That is all most people ever need to do.

• Normal daylight through a window is plenty

• Ten minutes of real sunlight = one full day of power

• Three to four hours under office lights = one full day

• Once a month, put it on the windowsill for a couple of hours if you keep it in a box

That is it. No special routine needed.

What Happens If You Never Give It Any Light

The watch will slowly run out of power and stop after six to twelve months (depending on the model).

That is the only thing that happens. The battery itself stays completely healthy. Put the watch in the light for a few hours, and it starts running again as if nothing had happened.

Canadian Winter Tips for Seiko Solar Watches

In December and January, daylight is short and weak.

If you work all day indoors, do one of these:

• Put the watch on your desk near the window once a week

• Wear it on weekends when you go outside

• Leave it under a desk lamp for a couple of hours every two weeks

That is more than enough. We have customers in Yellowknife and Whitehorse who have never had charging problems.

Ladies Seiko Solar Powered Watches – Same Rules, Smaller Cases

Every lady's Seiko solar-powered watch uses the same solar system and the same protection.

Smaller case, mother-of-pearl dial, diamonds around the bezel – does not matter. Charging and overcharge protection work identically to the big men's models. No difference at all.

Long Term Care – Make It Last 25+ Years

• Wipe with a soft cloth when sweaty or dirty

• Avoid extreme heat above 60 °C (do not leave in a hot car in summer)

• Service every 7–10 years (we do it in Canada with genuine parts)

• A rechargeable battery lasts 10–15 years, then we replace it for 80–120 dollars

• After battery replacement, the watch is basically new again

Where to buy genuine Seiko solar watches in Canada with a full warranty?

Right here at Bijoux Eclore. Every Seiko solar-powered watch comes with a full official Seiko Canada warranty, free tracked shipping anywhere in the country, and our own after-sales service if you ever need it.

Ready for a watch that never needs battery changes for the rest of your life?

Shop the full Seiko solar-powered watches collection right now.