Preliminary identification

Waltham WWI Era Trench / Wristlet Watch, c. 1917-1918

Photo reference

5 uploaded photos

Overview

An authentic World War I era conversion or early factory wristlet watch featuring a Waltham movement housed in a B&B Royal gold-filled case. It boasts bold luminous-style radium numerals, skeletonized hands, and an engraved monogram 'KMI' on the reverse case cover.

Story

Before World War I, men considered wristwatches unmanly novelty items. battlefield conditions made pulling out pocket watches deadly, sparking a revolution in horology that put time on the wrist forever.

Maker / Origin

Founded in 1850, the Waltham Watch Company pioneered mass-production horology through interchangeable precision parts. During World War I, Waltham supplied thousands of specialized wristlet movements for soldiers, officers, and military personnel heading to European battlefields.

Condition & Value

Visible age patina on the dial with light discoloration and loss of original luminous paint on the hands. Case shows minor surface wear consistent with age, and the winding crown/stem appears to be missing or detached. Missing/damaged winding components reduce value by 20-30%.

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Market Analysis

Comparable demand stays strongest where maker, originality, and venue confidence line up. Broader examples still trade, but the range tightens quickly when provenance, condition, or selling lane fit is missing.

Value Drivers

  • Strong maker attribution with credible period details
  • Better-than-average condition for the category
  • Broader demand rises when presentation and finish feel intact

Concerns

  • Decorative-only demand limits the ceiling
  • Surface wear or missing provenance can compress the range fast
  • Regional sale lanes often underperform specialist venues

Best Venue

Specialty auction or a focused dealer with buyers already in this lane.

Comparable Sales

5 comps
Regional auction· Jun 2024
$1,280

Signed example with light edge wear and original frame.

Dealer archive· Mar 2024
$1,450

Comparable format with stronger provenance and cleaner surface.

Marketplace sale· Jan 2024
$980

Smaller related piece with visible craquelure and trimmed margins.

Estate platform· Oct 2023
$1,150

Period match with softer condition and weaker subject matter.

Auction result· Aug 2023
$1,375

Close market lane comp with similar material and presentation.