Combining the two enabled owners to survive society's casual and formal dress codes with a single watch.

WSJ: This Sporting Life

He pointed out ancient photos of Kashmiris in formal dress and showed us black-and-white images printed on silver gelatine paper.

BBC: The man in the white tunic

At the royal wedding on April 29, Prince Alwaleed wore traditional Saudi formal dress, while Princess Ameerah donned a stunning tan lace dress with a stylish hat.

FORBES: More Royals At The Royal Wedding: Saudi Prince Alwaleed And Princess Ameerah

Many companies have formal dress code policies, including UBS which has a 44-page document with specific stipulations that disallow women from wearing more than seven pieces of jewelry and men from wearing cufflinks.

CNN: Decoding the workplace dress code

This phenomenon, known as salaula, explains why so few of the women along the road now wear chitenges, and also why a man on a bicycle too poor to have shoes may be wearing a formal dress shirt.

ECONOMIST: Africa 40 years on

Ladies are asked to wear formal day dress with a hat covering the crown of the head.

BBC: Kitted out for Royal Ascot

"It blows me away regularly, " says the avid outdoorsman, whose offices make casual business dress look formal.

FORBES: Bill Morean's $1.2 billion haircut

Most of these people were former Democrats and the dress code was formal, not Chuck Norris denim.

CNN: Can today's gonzo GOP celebs help Romney win?

Traditionally, a formal, summer garden-party dress did two things: it looked light and uplifting, while keeping all the bits one might generally expose to the sun covered.

WSJ: Fashion Meets Flora and Fauna