Features:

• 
  Movement Type: Dual Time Chronograph.


• 
  Hands: 3 central hands (hour, minute, and chronograph seconds).


• 
  Date Position: Date window at 3:00.


• 
  Indicators (Subdials at 3, 6, and 9 o’clock):
  
  
  
  • 
    3 o'clock: Likely for 24-hour dual time.
  
  
  • 
    6 o'clock: Small seconds.
  
  
  • 
    9 o'clock: 60-minute chronograph counter.
  
  
  
  

Dimensions:

• 
  Outside Diameter: 10 1/2 Ligne (23.7 mm).


• 
  Thickness: 5.10 mm.


• 
  Overall Height: 7.35 mm.

Technical Specifications:

• 
  Jewels: 0 jewels.


• 
  Hand Dimensions:
  
  
  
  • 
    Hour hand: 120 mm.
  
  
  • 
    Minute hand: 70 mm.
  
  
  • 
    Sweep seconds hand: 17 mm.
  
  
  
  


• 
  Battery: Requires a 377 watch cell.


• 
  Stem: Part number S65-549, with Tap 10.

Assembly:

• 
  Origin: Made in Japan by Miyota.