#author("2023-12-03T18:56:20+00:00","default:admin","admin") #author("2023-12-17T12:08:41+00:00","default:admin","admin") *Tiger eye [#cac72032] Case: [[Tungsten carbide]], stainless steel back, screw on battery hatch, signed "[Riquartz logo] Riquartz, A 570001, Ricoh, Japan", faceted glass crystal, movement removed through crystal. Stainless Steel bracelet with faceted links. Dial: [[Tiger eye]], aperture for day & date Movement: [[570]] New price 170,000 yen (approx $580) **Example [#kf67d65e] -Movement number 011818 --Dated 8-75 for Aug 1975 --Circuit marked AO2 --IC marked 7504 for 4th week of 1975 --Oval quartz cannister marked UWIH-53F for Mar 1975 --Marked Three 3 Adj --Shock proof jewel *Bloodstone [#mba0fe7f] Case: [[Tungsten carbide]], screw on battery hatch, faceted glass crystal, stainless steel caseback signed “Riquartz, Ricoh, Japan, 570001 S”. Movement removed through the crystal, the crystal/bezel is removed with a razor blade. Stainless Steel bracelet with faceted links. Dial: [[Bloodstone]], yellow stone at 12, some with aperture for day & date, signed “Ricoh, Riquartz” Movement: Cal [[570]]. -Battery 303 -Battery hatch gasket 15.3x14mm -Crystal gasket 30x1.2x0.4mm I profile white nylon -Crown gasket **Example [#m6f43604] -Dated "2-76" for Feb 1976 --Circuit marked "AK2" --CMOS IC marked "5 16" for 16th week 1975 --Oval quartz cannister marked "UW01-56F" for June 1975 --Latest recorded 570 watch