Cal. 877 sunray decorated three quarter plate twin barrel nickel-finished lever movement 25 jewels silvered brushed dial applied dagger and Arabic numerals with luminous accents luminous hands double window for date two fan-shaped sectors for 8-day power reserve and day & night indication subsidiary seconds circular large case glazed display back secured by four screws 18K pink gold Jaeger-LeCoultre hidden clasp case dial and movement signed