Breitling, a gentleman's steel chronograph wristwatch, circa 1960,

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Breitling, a gentleman's steel chronograph wristwatch, circa 1960,
silvered dial signed Breitling Premier, baton markers and Arabic 12, outer timing scale, subsidiary constant seconds, minute and hour recording dials, signed 17-jewel nickel finished movement with bimetallic compensation balance, case with snap on back, diameter 35mm.