Technical requirements and verification for watches and watch movements; watches with pallet lever escapementExigences techniques et contr?le pour montres et movements; montres avec échappement à palettes
DIN 8312-1:1975 history
2018DIN 8312-1:2018-07 Technical requirements and verification for watches and watch movements - Part 1: Watches with pallet lever escapement
2018DIN 8312-1:2018 Technical requirements and verification for watches and watch movements - Part 1: Watches with pallet lever escapement
1975DIN 8312-1:1975 Technical requirements and verification for watches and watch movements; watches with pallet lever escapement