ETA Watch Movement 251.274 3EYE CHR DT4, Swiss Made 

• Outside Diameter: 13 1/4 Ligne or 30.0mm
• Movement is 4.60mm thick
• The height from the bottom of the watch movement to the top of the sweep second pinion is 7.3mm
• Has a date display at 4:00 (inside)
• Requires watch cell 394
• 7 handed movement
• Requires watch hands: hour 2.0, minute 1.50, sweep second .30mm
• Requires a chrono sweep hand: .80mm
• Requires 3 small sec watch hands: .20mm
• Has 22 jewels
• Stem: 401-1339, Tap 10
• Replaces discontinued movement: Long 542.2
• Includes watch stem
• Movement marked as 251.274
• Swiss assembled