Tudor: a lady's steel wrist watch Princess-Oysterdate model 7907, 1956/7 from serial number on caseback, stainless steel case, automatic movement, signed round white dial with applied stainless steel arrowhead hour markers, with lume plots to the outer terminals, date aperture at 3, sword hands with lume inserts, centre seconds hand in black, screw-down crown with coronet, caseback with 7907 178897, on a later generic expanding bracelet strap, no box and papers (Case: 25mm excluding crown)