They are worth whatever you can get for them. The more complications the better. Prices generally go from about $90 on up to around $600 for restored chrono versions. There are places to get them repaired but it can cost a few dollars and you might not get your money back. The 24 hour clocks are probably less seen than the standard 12 hour clocks. I bought this one last year and had it repaired so you can make an interesting desk piece out of them. You can check ebay closed auctions for some realistic selling prices.
