The technical features common to all four models are:

• Electric lighting of the dial: An electro-luminescent panel allows the face to glow for easy reading;
  
  
• Stopwatch (1/100 - 1 hour): are measured elapsed time, split time and the final time with a precision of 1/100 of a second, up to a maximum of one hour;
  
  
• Alarm, Hourly Time Signal: The daily alarm sounds each day at the appointed time. The value indicates how many daily alarms are available. The hourly time signal watch to beep every hour;
  
  
• Battery Life: The battery supplies the watch for approx. 7 years;
  
  
• Calendar: The calendar automatically updates the day depending on the month. The leap year must be adjusted manually;
  
  
• 12/24 hours: The time can be displayed in either 12 or 24 hours;
  
  
• Case material: resin box;
  
  
• Water resistance classification: (WR) to DIN 8310 / ISO 2281.
  This model is water resistant to DIN 8310 / ISO 2281, and thus minor splashing. Avoid a contact with a larger quantity of water;
  
  
• Accuracy: + / -30 seconds per month;
  
  
• Type of battery: CR2016;
  
  
• Dimensions: approx. 38.6 mm x 36.3 mm x 9.6 mm (H x W x D);
  
  
• Weight: about 50 g;
  
  
• WARRANTY: 24 months.