For sale is is a Vintage's CITIZEN Chronograph Challenge Timer 8110A: CITIZEN's first automatic chronograph model in a rare seen dial colorway. The CITIZEN Challenge Timer is widely known as the CITIZEN Bullhead & is a contemporary of the SEIKO Bullhead. Both are equally saught after by watch...

For sale: 1976 Citizen flyback automatic chronograph with 8110a movement, model 67-9119 $270 Powered by Citizen's early auto chrono movement, the 8110a, this watch includes a flyback function - a single button push stops-resets-starts the chronograph for easy timing of a second leg/lap/event...

I just recently purchased a Citizen 8110A Chronograph which was listed as excellent condition. However, once I got the watch I discovers that the fly back function was not working properly. The calendar/date set no problem and the watch does keep very good time, also the second hand starts and...

Citizen 8110A Flyback Chrono Fair Condition. Rare, sought after octagon case Bull head Chrono. Needs service. Chronograph 12 -hour hand is not attached. The watch runs, and the movement looks clean. The flyback function of the 8110A movment works as it should. Second hand resets to 12...

Hi, You might recall I was looking for a Citizen 8110 model to purchase sometime back. I'm glad to say that I finally found one for sale in December which I managed to win. This is a 67-9119 with a different dial from a 67-9038 which the seller described as 'requires attention'. The problem...

So I'd long had a Lemania 5100 based chrono and with the economic down turn had picked up a Valjoux 7750 based chrono. Then is was an El Primero, bridging my 36000 bph collection with my chronos. This led to a Seiko 6139A and Heuer/Breitling caliber 11. As I was looking at what other vintage...