![I am letting go this beauty! 1983 Seiko Synchrotimer 7A28-703B JDM. World's first analogue quartz chronograph! : r/JapaneseWatches I am letting go this beauty! 1983 Seiko Synchrotimer 7A28-703B JDM. World's first analogue quartz chronograph! : r/JapaneseWatches](https://preview.redd.it/u9merlvyi3861.jpg?width=640&crop=smart&auto=webp&s=b6878cf442ace6361cde280e4e9e62585d1614e2)
I am letting go this beauty! 1983 Seiko Synchrotimer 7A28-703B JDM. World's first analogue quartz chronograph! : r/JapaneseWatches
![The 1983 Seiko synchrotimer, reference #7a287039. The first analog quartz chronograph, and the first analog chronograph to have sub seconds dial. : r/ Seiko The 1983 Seiko synchrotimer, reference #7a287039. The first analog quartz chronograph, and the first analog chronograph to have sub seconds dial. : r/ Seiko](https://preview.redd.it/c3ciqnokigx21.jpg?auto=webp&s=7d0f8f5ba477ee7fb5bfda61c26ee5312b05077d)
The 1983 Seiko synchrotimer, reference #7a287039. The first analog quartz chronograph, and the first analog chronograph to have sub seconds dial. : r/ Seiko
![I am letting go this beauty! 1983 Seiko Synchrotimer 7A28-703B JDM. World's first analogue quartz chronograph! : r/JapaneseWatches I am letting go this beauty! 1983 Seiko Synchrotimer 7A28-703B JDM. World's first analogue quartz chronograph! : r/JapaneseWatches](https://preview.redd.it/yvw1uxmyi3861.jpg?width=640&crop=smart&auto=webp&s=5ab7d8c488b96af9189d5b368f168eae68765224)