seiko_5740
Seiko 5740
Calibre 5740C was Seiko's first 36,000 A/h “Hi-Beat” movement.
Introduced in 1967, the 5740C was used in a Seiko Lord Marvel watch before Hi-Beat technology came to the King Seiko and Grand Seiko ranges.
seiko_5740.txt · Last modified: 03.07.2022 15:38 by 127.0.0.1