Longines WWW, sold for £4800 at Hannam’s.

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The acronym stood for ‘Watch, Wrist, Waterproof’.

The Longines watch, one of the largest of the Dozen with a case size of 37.5mm, had an estimated production of 5000 pieces (only the Grana with a run of 1500 is harder to find). It houses a chronometer grade movement.

This particular example, above, in good original condition, was offered for sale on June 1 by Hannam’s (23% buyer’s premium) in Selborne where it sold at £4800.

The winning bidder, using, went way over the estimate of £300-500.