Audemars Piguet breaks this rule by combining its Caliber 2885 self-winding split-second chronograph movement featuring a minute repeater, a perpetual calendar and a moon-phase indicator with the sporty 44mm Royal Oak Offshore case in brushed titanium with a black rubber strap.

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First is a dive-style watch and second is a racing chronograph style timepiece.

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The cover lot, made of pink gold, is a "split seconds" chronograph, so-called because it has not one, but two second hands and is capable of timing two different parts of a dramatic event, say, a high-stakes horse race or an auto rally.

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