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Found 3 listings matching "6206-8990"
![[WTS] 1964 Seikomatic Week 6206-8990 Diashock 26 Jewels](https://external-preview.redd.it/jYaIJrRMyDIR6-b1hDnRM9zMswGxkvuNmnzANzTyQik.jpeg?auto=webp&s=5654ba71abba77bda4c050e062589128bca6e16d)
1964 Seikomatic Week 6206-8990 Diashock 26 Jewels
This is a pre-Grand Seiko debut model from August 1964, featuring the Diashock 26 jewels movement and a unique day display above the six o'clock mark.
- Condition: Pre-owned
- Movement: 6206-8990, 18000bph Automatic
- Production Year: August 1964
- Dial Type: Original beautiful dial
![[WTS] 1964 Seikomatic Week 6206-8990](https://preview.redd.it/vdavlyrtgl5f1.jpg?width=640&crop=smart&auto=webp&s=4f6bcd137c1658f362125a2d986f41ee5a35eec6)
1964 Seikomatic Week 6206-8990
Seikomatic
- 6206-8990
·
$399
Up for sale is my Seikomatic Weekdater, dating from August 1964. This is pre-Grand Seiko debut model, it shares some of the design features of the Grand Seiko 62.
- Movement: 6206-8990, 18000bph Automatic
- Production Year: August 1964
- Dial: Original beautiful dial
![[WTS] 1965 Seikomatic Weekdater 6206-8990, Dolphin case back, pre Grand Seiko era](https://preview.redd.it/0d1m8c1jc6me1.jpg?width=640&crop=smart&auto=webp&s=d0fb82dc42d2604af98eac30f6778980198d994f)
1965 Seikomatic Weekdater 6206-8990, Dolphin case back, pre Grand Seiko era
A pre-Grand Seiko era Weekdater model from 1965, featuring a unique day display and Diashock movement.
- Movement: 6206-8990, 18000bph Automatic
- Production year: April 1965
- Dial condition: Original beautiful dial no blemish