Detex Newman Watchclock Value Guide

The Detex Newman Watchclock is a quintessential piece of American industrial history, serving as the gold standard for security patrol verification since its invention. These 1930s brass-cased devices are highly collectible due to their intricate mechanical punch systems and their role in securing factories and federal buildings.

What Is Detex Newman Watchclock Worth?

The typical price range for Detex Newman Watchclock is $150 - $165 based on recent sales. However, values can vary depending on the item's condition, rarity, and other factors such as:

• Mechanical functionality of the internal timestamp punch and clock movement.
• Condition of the brass finish, specifically the absence of heavy verdigris or deep dents.
• Completeness of the set, including the original leather strap and any associated station keys.
• Presence of original 1930s paper recording tapes inside the unit.

How to Identify Detex Newman Watchclock?

• Check for the 'Detex Newman' branding embossed on the heavy brass circular housing.
• Verify the presence of the original leather carrying strap and protective outer casing used by guards.
• Inspect the interior for the paper tape recording mechanism and the specific keyhole used for station keys.
• Look for the manufacturer's plate indicating the Detex Watchclock Corporation origin in the United States.

History of Detex Newman Watchclock

Detex Watchclock Corporation began in 1880, manufacturing patrol clocks for security guards. The Newman model, named after its inventor, became a standard for reliable timekeeping in security patrols. These clocks required the guard to insert a special key at various stations on their rounds, which would then punch a timestamp onto a paper tape inside the clock, ensuring that patrols were completed on schedule. They were essential for proving the diligence of security personnel in industries, factories, and even federal buildings for decades.