Dubey & Schaldenbrand. A stainless steel and diamond set automatic triple calendar chronograph wristwatch with moon phase Gran Chrono Astro, Circa 2010Dubey & Schaldenbrand. A stainless steel and diamond set automatic triple calendar chronograph wristwatch with moon phaseModel: Gran Chrono AstroDate: Circa 2010Movement: Jewelled automaticDial: Guilloché engraved silvered, black Arabic numeral hour markers, black outer minute track with 5 minute markers, outer blue calendar markers, subsidiary dials at 12 and 6 for 30 minute and 12 hour recording, day and month apertures below 12, moon phase indication above 6, polished dagger hands with luminous inserts, centre red tipped chronograph hand, further calendar handCase: Polished tonneau form, exhibition back secured by 6 screws, diamond set bezel, crown flanked by twin chronograph button, quick set button in the band 10, No.2642Strap/Bracelet: Black Dubey & Schaldenbrand alligator leatherBuckle/Clasp: Signed folding claspSigned: Case, dial & movementSize: 37mm x 49mmNone