Interactive view of the approximate-year distribution for MIARB watch listings, filtered to valid numeric circa years and summarized by decade, century, and standout individual years.
Valid Watch Records
Numeric circa years retained for analysis
Year Range
Earliest to latest valid circa year
Most Common Decade
Decade with the largest cluster of entries
Median Circa Year
Central point of the valid year distribution
Distribution by Decade
The collection is heavily concentrated in the late 19th and early 20th centuries, with the 1880s, 1890s, 1900s, and 1910s forming the densest stretch.
Distribution by Century
Most numeric entries fall in the 19th and 20th centuries, with relatively few older examples represented in the scraped listings.
Most Frequent Individual Circa Years
This highlights repeated years that appear often in the listings, helping distinguish the broad decade pattern from exact-year peaks.