Fifty Fathoms Automatique goes titanium and runs five days
This Fifty Fathoms Automatique swaps steel for grade 23 titanium.
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The case is 42.3 mm across and satin-brushed, so it wears light for a diver. The dial is blue, with a date. The sapphire-topped bezel turns one way only, as a dive bezel should. It comes on a sail-canvas bracelet with a folding clasp. Inside is the automatic calibre 1315, which carries a five-day power reserve.