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The Encyclopedia of Horology

Wristwatch · Mechanical wristwatch

Westclox 17 Jewels Date Indicator Wristwatch

Partially verified

This vintage Westclox wristwatch features a manual-winding movement designated calibre A-24I with 17 jewels, sweep seconds, and a date complication. Fitted with a 35.5 mm round case composed of a base metal bezel and a stainless steel case back marked for Westclox, the timepiece has a silver-tone sunburst dial with applied Arabic numerals at 6, 9, and 12, framed date aperture at 3 o'clock, and luminous accents. Measuring 42.2 mm lug-to-lug and 11.7 mm thick, it is presented on a flexible textured metal expansion bracelet.

Frontal view of Westclox wristwatch dial, case, and upper expansion bracelet
Frontal view of Westclox wristwatch dial, case, and upper expansion bracelet — Second Hand Horology. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
secondhandhorology.com
Category
Wristwatch · Mechanical wristwatch
Maker / attribution
Westclox
Reference
Not recorded
Catalogue / lot identifier
WA-3163
Source-reported date
Not established
Country
Japan

Source-reported attribution and specifications are not independent authentication. A listing does not establish present ownership, current display, availability or permission to reproduce.

Object description

Case and Exterior

The wristwatch features a 35.5 mm round case. The construction consists of a base metal bezel paired with a stainless steel back. The watch measures 42.2 mm from lug-to-lug, 11.7 mm in thickness, and has a lug width of 18 mm.

The timepiece is fitted with a flexible, silver-tone metal expansion bracelet.

Evidence for this section
  • “Case Diameter 35.5”
  • “Case Lug to Lug 42.2”
  • “Case Thickness 11.7”
  • “Lug Width 18”
  • “Base Metal Bezel Stainless Steel Back”
  • “vintage silver tone one-piece flex bracelet”

Dial and Hands

The dial is silver-tone and signed with the Westclox name. It features applied Arabic numerals at 6, 9, and 12, along with lumed markers. A date aperture framed in silver is positioned at the 3 o'clock mark.

The watch utilizes faceted hands with luminous accents for the hour and minute indicators, accompanied by a central sweep seconds hand.

Evidence for this section
  • “silver tone dial with Arabic Numerals, lumed markers and hands”
  • “The dial is also signed with the Westclox name on top.”
  • “Framed date window positioned at 3 o'clock”

Movement and Markings

The watch is powered by a manual-winding movement designated as calibre A-24I with 17 jewels. It is listed as antimagnetic, shock-resistant, and water-resistant.

There is a noted distinction between the movement origin and the case markings: the movement is described as 'Japan made', while the case back bears the inscription 'WESTCLOX Hong Kong'.

Evidence for this section
  • “Movement: A-24I Seventeen 17 Jewels”
  • “17 jewels, sweep second, antimagnetic, shock resistant, water resistant, Japan made.”
  • “Case Back Marks: WESTCLOX Hong Kong”

Open research questions

  • What specific manufacturing era corresponds to Westclox manual-winding calibre A-24I?
  • What is the composition of the 'base metal' used for the bezel in this model?
  • Are there records detailing the relationship between Westclox and manufacturing facilities in Hong Kong and Japan during the production period of the A-24I calibre?

Source evidence

Recorded claims and source quotations for Westclox 17 Jewels Date Indicator Wristwatch
FieldSource-reported valueSource quotation
Movement CalibreA-24I“Movement: A-24I Seventeen 17 Jewels”
Jewel Count17 jewels“17 jewels, sweep second, antimagnetic, shock resistant, water resistant, Japan made.”
Case Diameter35.5 mm“Case Diameter 35.5”
Lug to Lug42.2 mm“Case Lug to Lug 42.2”
Case MaterialsBase metal bezel and stainless steel back“Base metal bezel and stainless steel back.”
SKUWA-3163“SKU: WA-3163”

Visible details

  • Silver-tone dial displaying Arabic numerals at 6, 9, and 12 with baton hour markers elsewhere
  • Framed date window positioned at 3 o'clock
  • Flexible metal expansion bracelet with a horizontal textured finish
  • Faceted baton-style hour and minute hands accompanied by a central sweep seconds hand

Research qualifications

  • Specific year of manufacture is not provided in the source description
  • Case back inscriptions note 'Hong Kong' while movement is described as 'Japan made', indicating mixed origin components
  • Movement itself is not visible in the provided photographs

Photograph identity and source facts were screened before import; rights clearance remains pending.

Consulted source

Stunning Condition! WESTCLOX Watch 17 Jewels Date Indicator Vintage Wr – SECOND HAND HOROLOGY

Reviewed 2026-10-21 · Record 8512cefed1

Terms in this record

Glossary explanations for terms named in this object’s record.

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