Breguet Marine GMT, Ref. 5857

[fabri5.5]

Technical Specifications
Marine GMT, Ref. 5857

Case: in 18-carat rose gold with fine fluting on the caseband. Sapphire-crystal caseback. 42 mm diameter. Welded lugs wi th screw bars. Water resistant to 10 bar (100 m).
Dial: 18-carat gold coated in blackened rhodium and engine- turned by hand in a wave pattern. Timezone in the centre, reference time at 6 o'clock , 24-hour dial at 2 o'clock . Individually numbered and signed BREGUET. Hours chapter with Roman numerals for the reference time and with Arabic numerals for the second timezone. Open-tipped BREGUET hands in polished steel.
Movement: Cal. 517F, selfwinding, numbered and signed BREGUET. 111⁄2 lignes. 28 jewels. 72 hours of power reserve. Inverted in-line lever escapement and flat balance-spring in silicon. 4 Hz balance frequency. Adjusted in 6 positions.
Strap: Black rubber strap.

Also available in a steel case with silvered dial, Ref. 5857ST/12/5ZU

[Teo]

bellissima la lavorazione del quadrante sulle 24 ore 

[Patrizio]

la foggia della cassa mi piace moltissimo

[raffaele812]

Elegantissimo!!