細節
A gentleman's gold automatic centre seconds wristwatch, Model: Oyster Perpetual Bubbleback, Ref: 3131, circa 1940,
14k, black dial with luminous baton and Arabic numerals, outer gilt seconds ring divided into fifths, luminous hour and minute hands, sweep centre seconds, self-winding perpetual chronometer movement No.N25805, three piece case with polished bezel, screw down winding crown, screw down milled edge domed back, dial, movement and case signed, 31mm.
14k, black dial with luminous baton and Arabic numerals, outer gilt seconds ring divided into fifths, luminous hour and minute hands, sweep centre seconds, self-winding perpetual chronometer movement No.N25805, three piece case with polished bezel, screw down winding crown, screw down milled edge domed back, dial, movement and case signed, 31mm.