cal. 727 manual winding nickel lever movement 17 jewels • bi-colour black and silvered dial applied baton indexes with luminous dots luminous hands subsidiary dials for constant seconds 30-minute and 12-hour registers outer minute and 1/5 seconds divisions • stainless steel brushed and polished Oyster case screw-down crown pushers and case back steel bezel calibrated for 200 units • case dial and movement signed • with a stainless steel Oyster bracelet