What time is it? Watches and horology

Agreed.

If you think about the "essence" of a Rolex (as marketed by the brand), it's that it's "the best" quality - accuracy, waterproof, etc.

The 5610 does that:

• Tells the time and date clearly day and night
  
• Perpetual (date, but also battery)
  
• Water resistant as you need
  
• Robust