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The Encyclopedia of Horology

Wristwatch · Diver's watch

Labor Incabloc Antimagnetic Diver's Watch

Partially verified

This is a 1950s Labor Incabloc antimagnetic diver's wristwatch cased in stainless steel with a diameter reported as 39 mm without the crown. The black dial exhibits speckled patina and is set with aged luminous Arabic numerals at 12, 3, 6, and 9, alongside baton hour indices and sword-style hands. Markings include 'Labor INCABLOC', 'ANTIMAGNETIC', and 'SWISS MADE'. The case is fitted with an external rotating bezel marked with a diamond at 12 and numerals at 15 and 30, and is worn on a black rubber tropic-style strap. According to the seller, it is powered by a 17-jewel manual-wind calibre AS1187 movement.

Wrist view of the vintage Labor Incabloc diver's watch showing patinated dial and external bezel
Wrist view of the vintage Labor Incabloc diver's watch showing patinated dial and external bezel — Vintage Watch Specialist. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
vintagewatchspecialist.com
Category
Wristwatch · Diver's watch
Maker / attribution
Labor
Reference
Not recorded
Catalogue / lot identifier
vws3812
Source-reported date
c. 1950s
Country
Switzerland

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 External Construction

The watch is housed in a stainless steel case measuring 39 mm in width, excluding the crown. It features a bi-directional rotating bezel with a diamond marker at 12, numerals at 15 and 30, and five-minute hash marks. The watch is presented on a textured rubber tropic-style strap.

The case and bezel represent a tool-watch aesthetic. Internal condition and case back details are not visible in the provided materials.

Evidence for this section
  • “Case Stainless Steel”
  • “Width (without crown) 39mm”
  • “bi-directional, lumed bezel”
  • “Black rotating bezel with Arabic numerals at 15 and 30, a diamond marker at 12, and five-minute hash marks.”

Dial Characteristics

The black dial features a speckled surface patina. It is set with luminous Arabic numerals at 12, 3, 6, and 9, in addition to luminous baton hour indices and sword-style hands.

The dial is signed 'Labor Incabloc', 'ANTIMAGNETIC', and 'SWISS MADE'. While the source description claims the watch features 'Oversized Roman Numerals', visual evidence confirms the numerals are Arabic.

Evidence for this section
  • “Black dial with speckled surface patina and luminous Arabic numerals at 12, 3, 6, and 9.”
  • “The dial is signed "Labor Incabloc" and marked "Antimagnetic" and "Swiss Made,"”

Mechanism and Movement

The watch is reported to be powered by a 17-jewel manual-wind calibre AS1187 movement. The source lists an estimated power reserve of 43 hours.

The internal condition and specific provenance of the movement are not visible or independently verifiable from the provided source.

Evidence for this section
  • “Calibre AS1187”
  • “Jewels 17j”
  • “Winding Manual”
  • “Power reserve 43hrs”

Open research questions

  • Do internal case back markings provide a specific production year or reference number?
  • Can the origin of the luminous material be confirmed as original to the 1950s?
  • Are there archival examples of Labor-branded divers that verify the standard configuration of this model?

Source evidence

Recorded claims and source quotations for Labor Incabloc Antimagnetic Diver's Watch
FieldSource-reported valueSource quotation
CalibreAS1187“Calibre AS1187”
Jewels17j“Jewels 17j”
Case MaterialStainless Steel“Case Stainless Steel”
Width39mm“Width (without crown) 39mm”
SKUvws3812“SKU: vws3812”
Lug to lug height46mm“Lug height (lug to lug) 46mm”

Visible details

  • Black dial with speckled surface patina and luminous Arabic numerals at 12, 3, 6, and 9.
  • Luminous baton hour markers and luminous sword hands with a central seconds hand.
  • Black rotating bezel with Arabic numerals at 15 and 30, a diamond marker at 12, and five-minute hash marks.
  • Fitted with a black textured rubber tropic-style strap.

Research qualifications

  • The source text describes the dial as featuring 'Oversize Roman Numerals' despite clearly showing Arabic numerals.
  • Internal movement and case back details are reported by the source but are not visible in the supplied photograph.
  • The claim of a screw-down case back with specific 10ATM engraving in the proposed observations is not supported by the visible photo or provided text.

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

Consulted source

Labor Incabloc Antimagnetic Divers Watch Calibre AS1187 - 1950s – Vintage Watch Specialist

Reviewed 2026-10-22 · Record 6e2bf48522

Terms in this record

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

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