Vintage Omega 18K Yellow Gold Dress Watch Case (Ref: Constellation)

Watch Case (Wristwatch component) · Yellow Gold (High-copper and silver alloy for warm classic tone)

Purity: 18K (75%, 750 fineness) Solid Gold

Vintage Omega 18K Yellow Gold Dress Watch Case (Ref: Constellation)

Type

Watch Case (Wristwatch component)

Purity

18K (75%, 750 fineness) Solid Gold

Gold Type

Yellow Gold (High-copper and silver alloy for warm classic tone)

Weight

35 to 55 grams (estimated gold content weight for a full solid case excluding movement)

Description

A sophisticated Swiss horological artifact, this 18K solid yellow gold case represents the pinnacle of luxury dress watches from the mid-20th century. Featuring the iconic Omega signed crown and a refined slim profile, the case exhibits the transition between soft vintage aesthetics and the sharp, geometric lines of late 60s design.

Key Features

Original signed Omega crown, vertical grain finishing, ultra-slim profile, and 18K solid gold construction

Color & Finish

Classic warm yellow with vertical brushed satin grain on the case side and high-polish on the crown and bezel lip

Hallmarks & Stamps

The crown features the traditional Omega 'Ω' raised logo. Purity stamps should be located on the interior back case cover or lug undersides

Dimensions Estimate

Approx. 34-36mm diameter, 8-10mm thickness; standard men's vintage dress size

Gemstones & Inlays

None visible; features a signed crown and likely acrylic or sapphire crystal

Clasp & Closure

Snap-on or screw-down case-back (side view shows a seam of a snap-back construction)

Chain & Links

Not applicable; integrated lug design intended for organic leather strap or gold link bracelet

Craftsmanship Details

Precision Swiss machining with hand-finished satin brushing and high-grade tolerances for water resistance seals

Authentication Indicators

Precision milling on crown threads, correct Omega logo relief, and color continuity between case components

Origin & Maker

Swiss Made; Omega SA (La Chaux-de-Fonds, Switzerland)

Era & Period

Mid-Century Modern / 1960s-1970s 'Golden Era' of Swiss Watchmaking

Age Estimate

Circa 1965-1972 based on the thin profile and crown style

Cultural Significance

A symbol of corporate and social success in the post-war era; a period where gold watches were the standard gift for lifetime milestones

Condition Notes

Very Good; light surface marring and 'flea bites' consistent with age; integrity of the crown teeth remains sharp

Value Estimate

$2,500 - $4,500 (inclusive of movement and brand premium; melt value approx. $1,800-$2,200)

Care & Maintenance

Clean with a soft microfiber cloth; avoid ultrasonic cleaners if the movement is installed; professional polishing only by horologists

Similar Items

Rolex Oyster Perpetual in gold, Patek Philippe Calatrava, Longines Conquest Heritage

Interesting Facts

Omega used '750' gold cases almost exclusively for their top-tier Constellation and De Ville lines during this period

Identified on 6/22/2026
Vintage Omega 18K Yellow Gold Dress Watch Case (Ref: Constellation) | Gold Identifier