Breguet et Fils

· gilded twin-barrel movement with quick train (18,000 A/h), wolf’s tooth winding with intermediate gearing for tandem wind, Earnshaw-type spring detent escapement, the detent spring with locking jewel, two-arm bi-metallic Pennington-type compensation balance, undersprung blued steel helical spring with terminal curve, parachute suspension, movement dial plate side with ébauche maker’s punch P.E.B. beneath coronet

· silvered regulator dial signed Breguet et Fils, subsidiary dial for hours with Roman numerals, two intersecting chapter rings for minutes below and seconds above, each with Arabic numeral 10-minute/10-second markers, sector to right for state of wind

· shallow dish-shaped brass case, the bezel secured by brass screws, the case secured within a velvet lined shallow brass bowl with latches at 12 and 6 o’clock, the whole contained within two-tier plain mahogany box with brass gimbal mounting, locking screws to sides for securing to ship’s chart table, top with central wooden panel sliding to reveal observation window, lozenge-shaped brass plaque to top numbered N 4208, brass handles to sides, with a Breguet tipsy key

No. 4208

dial diameter 65mm

box 150mm x 146mm x 135mm