The date window on the watch is usually located at the number 3. But why? And where did the magnifying glass above the window come from?

Empire of watches

The date window on the watch is usually located at the number 3. But why? And where did the magnifying glass above the window come from? - Wrist Watch, Clock, Rolex, Longpost

The date window on the watch is usually located at the number 3. But why? And where did the magnifying glass above the window come from? - Wrist Watch, Clock, Rolex, Longpost

The date window on the watch is usually located at the number 3. But why? And where did the magnifying glass above the window come from? - Wrist Watch, Clock, Rolex, Longpost

The date window on the watch is usually located at the number 3. But why? And where did the magnifying glass above the window come from? - Wrist Watch, Clock, Rolex, Longpost

Wrist Watch Rolex Clock

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