- Model: Seiko Pulsations Chronograph Automatic
- Conditions: Very good (please see pictures for details)
- Functions: ALL running well.
- Movement: Mechanical (Automatic) Japan-Made
- Caliber: 6139B
- Jewels: 17
- Power Reserve: 45 hours
- Frequency: 21,600 A/h
- Signed SEIKO: Dial, Case, Crown, Bracelet and Movement
- Material: Stainless Steel Case and Bracelet
- Reference #: 6139-6022
- Model #: -6020T
- Serial: 224,711
- Year: circa 1972
- Dial: Tropical
- Hour Markers: Stick
- Hands: Steel; Never relumed
- Crystal: Harlex
- Diameter: 40.0 mm without crown
- Bracelet: Original SEIKO
- Lug Width: 19 mm
- Length: 8.0 inches long (end to end)
- Other: Quickset (Spanish and English) Weekday and date
- No Box
- No Papers
Note: This cool chronograph has a rare function: user can measure his or hers heart rate with the pulsations internal bezel. This model is also known as the "Doctor's Chronograph"
