Universal, a gentleman's gold triple calendar, moonphase and chronograph wristwatch, Model: Tri-Compax, 1950's,

Details
Universal, a gentleman's gold triple calendar, moonphase and chronograph wristwatch, Model: Tri-Compax, 1950's,
silvered dial with gilt baton and Arabic numerals, day and month apertures, subsidiary constant seconds, minute and hour recording dials and date combined with moonphase, centre seconds, 17-jewel movement with compensation balance, case with snap on back, dial, movement and case signed, diameter 37mm.
See Colour Illustration (Plate 8)

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