Brand: Timex
Model: Timex 21 Jewel Calendar
Reference: 6550
Caliber: M75 (21 jewels, calendar, manual wind)
Year: 1971
Dial Code: 6550 7571
Case: Chrome plated, Cushion, sunburst
Complication: Manual Wind, Sweeping Seconds Hand, Calendar
Special Feature: 21 jeweled movement, decorated back plate on the movement