1973 Automatic Citizen Chronograph reference 4-901053 Y 67-9011 calibre 8110 23 jewels. It has a day/date indicator along side Tachymeter, with 12 hour and 30 minute recording sub dials. This watch is completely original.
 
Dial: 
The dial is original. It features a day/date indicator along side Tachymeter, with 12 hour and 30 minute recording sub dials. 
There is a Tachymeter around the outside of the dial, with the black section comprising of the hour and minute track. There are not numeric hour markers with luminous paint on them. 
The dial is signed Citizen Chronograph Automatic, 23 Jewels. The bottom of the dial is signed Japan 8110, 901085 KA. 
The hands are original and fit all margins correctly. 
 
NOTE: The dial has lost some of its finish between 7 and 8 o'clock. They paint surrounding the date window is also cracked.
 
 
Glass:
The glass is in perfect condition with no scratches.
 
 
Crown:
The crown is original Citizen crown marked "CTZ". This fits flush to the stainless steel case and winds and sets well.
 
Case: 
The case is in strong condition with only light surface scratches. The bezel is also un-blemished.
 
Case back:
Light surface scratches.
 
Strap:
New leather strap with coarse stitching.
 
 
Movement:
Day/date change and set as they should. All chronograph functions work properly. The movement keeps time to within 4 minutes a day. A service would be beneficial.
 
Dimensions:
Case width: 38mm
Case width with crown: 40mm
Case length: 44.8mm
Case Depth: 12.8mm
Lug width: 18mm