A-17a 24H night & day

A pilot's watch said to be Elgin's masterpiece used by the WW2 US Army Air Forces.
This watch, which had the last A code name and was made for US military pilots, was able to fly day or night, making it a rare 24-hour watch with day and night color-coded black and white.
Type A-17a pilot quartz watch reprint The main case has a coin edge on both the front and back so that it will not be noticeable even if the corners are scratched. The windshield is machined into a rounded shape. In addition to the cotton chino cloth upper and lower separate belt (dark green), you can also choose a nylon grosgrain (khaki color) belt as a replacement.
It has a slightly antique look and has a slightly creamy white and black dial instead of white.

Product specifications TYPE A-17s Night & day
24-hour quartz movement: Made in Switzerland - Carrying frequency (normal temperature): Average monthly difference of 15 seconds (standard)
Watch case body: stainless steel
Battery used: Silver oxide battery SR920SW ・Battery life: Approximately 2 years
Water resistance 5ATM (5 ATM water resistance): Daily waterproof level, not the level of a diver watch that can be used in deep water.
Windshield: Domed mineral glass
Strap Attached watch strap:
16mm wide fabric cotton belt (arm and neck circumference size approx. 16.5cm to 20cm) or
16mm wide nylon NATO belt (arm circumference size approx. 15.5cm to 23cm)
Size: 32.1mm (excluding crown) x 44.50mm x 17.00mm