What time is it? Watches and horology

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Sumo in reply to @ejay2.0

Yeah, it sees the light and sets the time. Maybe I'm thinking of solar + radio

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sorethroat in reply to @Sumo

Yeah this one is just solar powered, you still have to set the time. The solar power last a while though: "two minutes of sunlight powering the watch for a full day and 20 hours of solar charge providing six months of power"

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