This is a Citizen 1976 (Speedy) 8110 Chronograph 67-9313 AKA Citizen Speedmaster with Cal. 8110A, automatic movement, day-date, flyback function, and mineral crystal water resistance. It has some issues with the reset button but operates as a chronograph.

• Condition: Good overall condition. Has a defect with the chronograph reset button.
• Movement Jewels: 23
• Case Dimensions: 39mm x 41.7mm x 13.2mm
• Water Resistance: Mineral crystal

The Citizen 67-9313, also known as the "Speedy", is a classic chronograph released in the 1970s. It features an automatic movement with a flyback chronograph function and a 28,800 bpm frequency.

• Condition: Good
• Movement: Citizen calibre 8110A
• Frequency: 28,800 bpm
• Size: 38mm diameter

This vintage Citizen Challenge Timer 'Speedy' Chronograph is a rare find with its original movement and dial. The watch has been thoroughly serviced and restored to its former glory.

• Condition: Fully Serviced, good cosmetic condition
• Movement Caliber: Cal 8110a flyback chronograph
• Case Size: 38mm diameter
• Material: Stainless Steel