Know-how
How does an automatic watch work?
No battery and no daily winding: the movement of your wrist powers the watch. A part-by-part tour of an automatic movement.
Journal
Know-how
Buying guides, care tips and the know-how behind the watches, from the A1 Watch team.
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Know-how
Water resistance: what do 30, 50, 100 and 200 metres mean?
The number on the dial is not a depth you can dive to. What is safe at each water-resistance rating.