In 1983 and 1984 series begins serial production of modernized quartz
Kozlov BI Born on October 5, 1938 in Moscow. In 1970 he graduated from the Moscow Machine Tool Institute. At the plant since 1958, after the end of PTU - a mechanic, foreman of special products, the deputy chief of department, head of OTC. S1986, the head of the State Standard of the USSR on gospriemka 2MCHZ later worked in the State Standard.
watches (ELF) 30 mm (mod. 3056A), which were significantly superior to the previous model (3050) in its reliability, accuracy, and autonomy and allowed to regain the confidence of the buyer to the quartz watch, was lost from the acquisition of the previous model (hours of this model were produced before 1994 - the height of the mechanism of 4.2 mm, the current consumption of less than 4 mA, the average diurnal variation (1 sec., the autonomy of 18 months, the power supply type SC - 0.12 mA h. The other characteristics are similar to the model 3050), and 23 caliber mm (model 2356 hours: privёdenny platinum size 24 x 20 mm, height of 2.5 mm. Average daily rate (1 sec., autonomy - not less than 1 year; power supply type SO 0.03 mA hours at an average current consumption of no more than 1.55 mA, with zeroing and conservation regime 0.5 uA; second, minute and hour countdown, move the second hand - 1 sec). In the next 1985 begins production of watches 23 mm with calendar dates are not instantaneous (mod. 2360). The clock 23 caliber produced until 1997, and even more strengthened the position of ELF in the market.
Mod.2356 mechanism design is shown in Scheme 2.
Following the turn of wrist watches quartz alarm clock. Their mass production begins in 1985 with the development of the model 57208 Orlovsky SKB hours (author of the project and head of SKB - Panfilov VM). Mechanism 57208: Dimensions 60h58h1 mm; rated supply voltage of 1.5 V; Average daily rate 2 sec .; current consumption of 70 mA; at the time of second axis 188 ...;autonomy with battery 373 - 1 year.