I'm a certified master watchmaker who has been in business for over 45 years doing general repairs as well as high end restorations. I'm an active member of NAWCC as well as subscribe to all watch publications to be aware of the latest trends as well as technical data. Your viewing a day-date Aviation 7750 Pilot self winding black face & white timer dials chronograph with pilot navigator style rotating slide rule bezel. The case is stainless steel with easy to read rotating slide rule bezel. The dial shows constant seconds running at 9:00, chronograph timers are 30 minute function at 12:00 and 12 hour timer function at 6:00 positions working when chronograph is switched on via pusher at the 2:00 position.
The white chronograph dial is easy to read with black sub hands and large red sweep second hand. This piece has a genuine Hamilton (see photos) 25 jewel self wind chronograph movement (modified Valjoux 7750) with a solid stainless steel high polish case that is water proof to 50 Meters (165 feet). This piece was modeled after the navigator watches used in the space & airline programs. Refurbished to factory standards, that means total overhaul with new mainspring.
I use all synthetic lubricants so the oils and greases don't dry up with age. The item "Aviation Chronograph Wristwatch Hamilton Valjoux 7750 Pilot Slide-Rule Bezel" is in sale since Sunday, April 21, 2019. This item is in the category "Jewelry & Watches\Watches, Parts & Accessories\Wristwatches". The seller is "djr6706" and is located in Painesville, Ohio.
This item can be shipped to United States, Canada, Germany, Japan, France, Australia.