A 1960s Seiko 'Sea Lion' stainless steel automatic wristwatch, 35mm, M55, ref. 6205-8960 on Seiko br
![VINTAGE SEIKO SEA Lion M55 72898 Automatic Date Diashock Wrist Watch- Nr #2303-3 - $59.00 | PicClick VINTAGE SEIKO SEA Lion M55 72898 Automatic Date Diashock Wrist Watch- Nr #2303-3 - $59.00 | PicClick](https://www.picclickimg.com/d/l400/pict/253786840809_/Vintage-Seiko-Sea-Lion-M55-72898-Automatic-Date.jpg)
VINTAGE SEIKO SEA Lion M55 72898 Automatic Date Diashock Wrist Watch- Nr #2303-3 - $59.00 | PicClick
![The comfort of familiarity: A Seiko Sea Lion Weekdater from 1966 | Adventures in Amateur Watch Fettling The comfort of familiarity: A Seiko Sea Lion Weekdater from 1966 | Adventures in Amateur Watch Fettling](https://adventuresinamateurwatchfettling.files.wordpress.com/2017/04/sealion-m55.jpg)
The comfort of familiarity: A Seiko Sea Lion Weekdater from 1966 | Adventures in Amateur Watch Fettling
![The comfort of familiarity: A Seiko Sea Lion Weekdater from 1966 | Adventures in Amateur Watch Fettling The comfort of familiarity: A Seiko Sea Lion Weekdater from 1966 | Adventures in Amateur Watch Fettling](https://adventuresinamateurwatchfettling.files.wordpress.com/2017/04/weekdate-26-jewels.jpg)
The comfort of familiarity: A Seiko Sea Lion Weekdater from 1966 | Adventures in Amateur Watch Fettling
![Seiko Sea Lion Weekdater M55 6206-9000 from 1966 | Vintage watches, Watches for men, Vintage seiko watches Seiko Sea Lion Weekdater M55 6206-9000 from 1966 | Vintage watches, Watches for men, Vintage seiko watches](https://i.pinimg.com/564x/cd/ce/b4/cdceb4680925fffa4919c8f394e771cf--sea-lions.jpg)
Seiko Sea Lion Weekdater M55 6206-9000 from 1966 | Vintage watches, Watches for men, Vintage seiko watches
![The comfort of familiarity: A Seiko Sea Lion Weekdater from 1966 | Adventures in Amateur Watch Fettling The comfort of familiarity: A Seiko Sea Lion Weekdater from 1966 | Adventures in Amateur Watch Fettling](https://adventuresinamateurwatchfettling.files.wordpress.com/2017/04/weekdater-steel-case.jpg)