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The Encyclopedia of Horology

Wristwatch · Diver's wristwatch

Omega Seamaster 1000m Divers' Watch, Ref. 166.093

Partially verified

This Omega Seamaster 1000m diver's wristwatch, reference 166.093, dates to the 1970s according to the seller. Designed for deep underwater applications without a traditional screw-on case back, the stainless steel case measures 43 mm across excluding the crown and 50 mm lug to lug. The watch features an automatic movement, black dial with date aperture, and a unidirectional ratchet-locking timing bezel. It is fitted with a stainless steel mesh 'seatbelt' style bracelet (reference 1247/237). The seller notes that the dial, hands, glass, seal, and crown were replaced by Swiss Time Services, with the original parts retained.

Three-quarter front view of the Omega Seamaster 1000m ref. 166.093 showing black dial, orange hand, bezel, and mesh bracelet
Three-quarter front view of the Omega Seamaster 1000m ref. 166.093 showing black dial, orange hand, bezel, and mesh bracelet — Vintage Watch Specialist. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
vintagewatchspecialist.com
Category
Wristwatch · Diver's wristwatch
Maker / attribution
Omega
Reference
166.093
Catalogue / lot identifier
vws0594
Source-reported date
1970s
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

Identity and Configuration

This timepiece is identified as an Omega Seamaster 1000m diver's wristwatch, reference 166.093, dated by the source to the 1970s. The stainless steel case construction omits a screw-on case back.

The watch is fitted with a stainless steel mesh 'seatbelt' style bracelet, reference 1247/237, which includes a diver's extension link.

Evidence for this section
  • “Omega Seamaster 1000m Divers' Watch Ref.166.093”
  • “Year: 1970s”
  • “this unique variation of the ‘Flightmaster’ case without a screw back”
  • “The watch comes with the original ‘seatbelt’ style bracelet (Reference 1247/237) and the additional diver’s extension link.”

Visual Description

The black dial features luminous index markers, a date aperture at 3 o'clock, and an orange minute hand. The case features a unidirectional ratchet-locking timing bezel with luminescent inserts.

The case measures 43 mm in width excluding the crown and 50 mm lug to lug. The lug width is recorded as 21 mm.

Evidence for this section
  • “Luminescent hands and dial with a neon orange minute hand make for a striking dial.”
  • “ratchet-locking unidirectional bezel for timing during dives.”
  • “Width (w/o crown): 43mm”
  • “Height, lug to lug: 50mm”
  • “Lug width: 21mm”

Service and Maintenance

The dial, hands, glass, seal, and crown are service replacements installed by Swiss Time Services. The original removed components are included with the watch.

Specific details regarding the movement calibre and jewel count are not provided beyond the general classification of automatic.

Evidence for this section
  • “This watch has had the original dial, hands, glass, seal and crown replaced by Swiss Time Services (an authorised Omega vintage watch service centre), however the original aforementioned components will be sent with the watch.”
  • “Movement type, calibre and jewels: Automatic”

Open research questions

  • What specific calibre is utilized in this reference?
  • Does the serial number on the watch case correlate with the 1970s production window?

Source evidence

Recorded claims and source quotations for Omega Seamaster 1000m Divers' Watch, Ref. 166.093
FieldSource-reported valueSource quotation
Reference166.093“Omega Seamaster 1000m Divers' Watch Ref.166.093”
Circa1970s“Year: 1970s”
Case materialStainless steel“Case: Stainless steel”
Case dimensions43mm width (w/o crown), 50mm lug to lug“Width (w/o crown): 43mm Height, lug to lug: 50mm”
Bracelet reference1247/237“original ‘seatbelt’ style bracelet (Reference 1247/237)”
Movement typeAutomatic“Movement type, calibre and jewels: Automatic”
Water resistance1000m“Stainless steel case waterproof to 1km”

Visible details

  • Stainless steel case with crown guard and winding crown positioned on the side
  • Black rotating dive bezel with white luminous Arabic numerals and triangle marker
  • Dial features a bright orange-accented hand, luminous index markers, and date window at 3 o'clock
  • Fitted to a stainless steel mesh link bracelet with a fold-over clasp

Research qualifications

  • Source notes the dial, hands, glass crystal, seal, and crown are service replacements from Swiss Time Services, with originals detached but retained
  • Movement calibre number and individual serial number are not stated in the source text

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

Consulted source

OMEGA SEAMASTER 1000m DIVERS WATCH 166.093 – Vintage Watch Specialist

Reviewed 2026-10-22 · Record 4b3efe5371

Terms in this record

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

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