A 1940s, gold 'Premier' Chronograph wristwatch, by...

A 1940s, gold 'Premier' Chronograph wristwatch, by Breitling, ref. 778, the silvered dial with applied baton markers and Arabic 6 & 12, two subsidiary dials for constant seconds and 15 minute register, tachymeter scale, blued steel hands and centre sweep seconds, signed Breitling Premier, jewelled lever movement, the centre seconds operated by two buttons in the band, turned down lugs, case numbered 545883 778, circa 1940, case 34.5mm later straps with rolled gold buckle,