Cartier Tank à guichets Watch

Introduced this year, the Tank à guichets (above) is actually the 21st–century reappearance of a model from the company's archives.

"... It has two apertures, one for jumping hours in the upper part of the dial and, below it, a slightly larger slot through which... minutes can be seen," wrote Nick Foulkes in the December 2 Financial Times.

A limited and numbered series of 100 have been made.

Details from the website:

18K pink gold, jumping hours and continuous minutes complication with apertures.

18K pink gold octagonal crown set with a faceted sapphire.

Arabic numerals.

Hand-sewn full–grain alligator strap.

18K pink gold adjustable deployant buckle.

Workshop–crafted mechanical movement with manual winding, calibre 9752 MC.

Thickness: 4.4 mm.

19 rubies.

Bridges decorated with the interlocking Cartier double-C motif.

Water–resistant to 30 meters/100 feet.

£16,100 ($27,909; €23,855).

I must say that if I were forced to wear either the new ultra–luxe version or a classic tank (below)

I'd opt for the classic.