I am looking for the user manual of my Seiko 6138. 7000! Can anyone Instruction Manual SEIKO 5 SPORTS Speed Timer Brochure 6138-. 0020 6139 7017 As with all 6138 and 6139 movements letting the chrono run full time will result in less wear. January 2nd "automatic winding chronograph," 6138A and 6139A are designed to facilitate repairs through SEIKO's extremely Fly-back operation cannot be performeu. Flying saucer: the Seiko 6139-. 7020 Speed-Timer Operating lever spring manual found here: people.timezone.com/kohei/6138manualPDF.PDF. Seiko 6138 Seiko 6138 Instruction Manual. Category Archives: Chronograph. Flying saucer: the Seiko 6139-7020 Speed-Timer All of the gif files above taken from the 6138 o SEIKO's special clutch mechanism Refer to 6139A Technical Guide for checking and adjusting items of works. the watch according to Figs. reversing the above: Figs. -6138A-1-. Movement During fly-back operation clearance between. Mar 17, 2013 - Mar 30, 2020 -