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[WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399

watch.source.namePosted by LeagueJontur in reddit.com
$399

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[WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399 1
[WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399 2
[WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399 3
[WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399 4
[WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399 5
[WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399 6
[WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399 7
[WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399 8
[WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399 9
[WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399 10
[WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399 11
[WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399 12
[WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399 13
[WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399 14
[WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399 15
[WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399 16
[WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399 17
[WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399 18
[WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399 19
Thumbnail [WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399 1
Thumbnail [WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399 2
Thumbnail [WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399 3
Thumbnail [WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399 4
Thumbnail [WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399 5
Thumbnail [WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399 6
Thumbnail [WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399 7
Thumbnail [WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399 8
Thumbnail [WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399 9
Thumbnail [WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399 10
Thumbnail [WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399 11
Thumbnail [WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399 12
Thumbnail [WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399 13
Thumbnail [WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399 14
Thumbnail [WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399 15
Thumbnail [WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399 16
Thumbnail [WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399 17
Thumbnail [WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399 18
Thumbnail [WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399 19

[WTS] 1985 Seiko RC-4000 PC Datagraph S521-4010 Digital Watch $399

watch.source.namePosted by LeagueJontur in reddit.com
$399

Visit Listing

Hello , up for sale is my **Seiko RC-4000 PC Datagraph** watch, ref. S521-4010 **Asking price:** $399, but open to negotiation This is an iconic piece of wearable technology, blending timekeeping with early personal computing. The screen is in perfect condition, as is the watch itself aside from a few barely visible scuffs. The buttons work, as do all of the watch's functions. The RC-4000 was designed to interface with early PCs, allowing users to store & manage data like contacts & appointments directly from their wrist, and representing a significant milestone in the history of wearable tech. **Key Features:** * **Vintage Wearable Tech**: Released in 1985, this watch is part of Seiko's early line of wrist-worn computers. * **Digital Display**: Clear, easy-to-read digital screen for timekeeping and data display. * **PC Connectivity**: Connects to personal computers via RS-232C interface, enabling data transfer and storage. * **Data Management**: Equipped with 2KB of memory for storing text data, including notes and appointments. * **Multi-Functional**: Offers features such as timekeeping, stopwatch, countdown timer, and alarm functions. * **Iconic Design**: Classic 1980s aesthetic with durable construction, including a strong band and buttons. **Condition**: Near perfect condition with minor wear on the buttons and band. A few barely noticeable scuffs. See pictures for full details. Brand new high quality lithium battery (BR2325) installed. This is my first WTS transaction, but I have been selling vintage watches & more on eBay for a while now. Feel free to check the feedback on my store or browse our other items: [https://www.ebay.com/str/noveltynooktreasures](https://www.ebay.com/str/noveltynooktreasures) – Tracking number will be provided after the item is shipped. – Guaranteed safe shipping and packaging. I am very experienced in shipping fragile items.

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