Cvstos Challenge-R

A STAINLESS STEEL AUTOMATIC PERPETUAL CALENDAR WRISTWATCH WITH MOON-PHASES CHALLENGE-R 50 QP-S CIRCA 2007 diameter 50 mm , • cal. 6510 titanium automatic movement, 25 jewels • black and silvered open-worked dial, applied baton indexes, outer minute track, 4 subsidiary dials for month combined with leap year, day, date and moon-phases • stainless steel case, sapphire crystal display back secured by 4 screws • case, dial and movement signed • with a titanium Cvstos folding clasp