Omega De Ville Quartz Ref. ST 191.0045 (or similar 1970s De Ville Quartz pocket-style or pendant/loose movement assembly)
Dress Watch / Pendant Watch movement assembly · Omega (Swatch Group), Luxury Tier
Period: Quartz Revolution Era (1970s-1980s)

Type
Dress Watch / Pendant Watch movement assembly
Brand
Omega (Swatch Group), Luxury Tier
Movement
Omega in-house quartz caliber (likely Cal. 1330 or similar early Omega quartz movement)
Dimensions
Dial diameter approximately 32mm to 35mm, thickness varies based on movement block
Description
This is a loose Omega De Ville Quartz dial and movement assembly featuring a clean champagne sunburst dial, applied hour markers, and a distinctive crown positioned at the 12 o'clock position. This unusual top-crown layout suggests it was originally housed in a pendant watch, pocket watch, or specialized fashion case from the height of the Quartz Crisis era when manufacturers experimented heavily with non-traditional case designs.
Key Features
Unusual 12 o'clock crown placement, classic 1970s champagne sunburst De Ville dial, early Omega quartz technology
Dial Description
Champagne sunburst dial with applied black-accented baton indices, black printed Omega logo and branding, 'DE VILLE' and 'QUARTZ' text below center, 'SWISS MADE' at the bottom, equipped with slender black and gold baton hands and a central sweep seconds hand
Case Material
Gold-plated or yellow gold colored metal (incomplete assembly lacking outer case)
Crystal Type
None visible on this loose dial/movement assembly
Bezel Details
None, as this is a loose dial and movement block
Crown & Pushers
Small fluted pull-crown located at the top 12 o'clock position, suggesting a pendant watch or specialized pocket watch format
Bracelet or Strap
None, component part only
Caseback Details
None, missing caseback entirely as only the dial, hands, and movement assembly are shown
Movement Type
Omega in-house quartz caliber (likely Cal. 1330 or similar early Omega quartz movement)
Water Resistance
None in current loose state
Origin & Provenance
Swiss Made, Bienne, Switzerland, featuring an in-house early Omega quartz movement
Age Estimate
Circa 1970s to early 1980s
Cultural Significance
Represents Omega's adaptation to the quartz revolution, showcasing how traditional dress lines like De Ville embraced electronic movements and avant-garde designs.
Condition Notes
Component condition only. Dial is clean with minor aging spots. Hands are intact. Movement requires restoration or casing. Sold as a loose part or project piece.
Value Estimate
Modest collector value as a spare part, donor movement, or project watch, typically ranging from $50 to $150 depending on whether the quartz caliber is fully functional
Care & Maintenance
Requires professional horological storage in a dust-free container. If installing a battery, use a non-leaking silver-oxide cell and ensure circuit health.
Similar Watches
Omega Constellation Quartz, Longines Quartz dress watches from the 1970s, Tissot electronic and quartz dress models
Interesting Facts
During the 1970s Quartz Crisis, Omega produced numerous alternative quartz calibers and experimental case designs, including pendant watches and unconventional geometries to capture a shifting market.