Omega De Ville Tank, Elegant watch, Grey Dial, Ref. 5110378, Cal. 620 from 1970’s

Regular price $1,690.00
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The Omega De Ville Ref. 511.0378 showcases the brand’s late 60s–70s experimentation with bold geometry and simplicity. Its faceted rectangular design is subtle yet expressive — a rare and stylish choice among traditional round watches. A refined hand-wound movement, sleek brushed dial, and tasteful case design make this a beautiful entry point into vintage Omega or a dressy, discreet daily companion.

DIAL:

  • Original charcoal brushed dial with minimalist hour markers
  • Original silver-toned stick hands
  • Clean and symmetrical two-hand configuration with no second hand, for a refined, uncluttered look
  • Original faceted acrylic crystal adds a unique visual dimension

CASE:

  • Rectangular 3-body case with gold-plated top and stainless steel case back
  • Sharp multi-faceted bezel in excellent shape, with minor edge wear
  • Case dimensions: 24 mm (width excl. crown) x 32 mm (lug-to-lug)
  • Lug width: 17 mm
  • Case thickness: 8 mm
  • Reference number: 511.0378
  • Year: 1970s
  • Excellent condition, showing only light signs of wear

MOVEMENT:

  • Omega Caliber 620 – manual wind
  • 17 jewels, 19800 A/h
  • Approx. 42-hour power reserve
About Brand

What makes Omega an important vintage watch brand?

Omega is one of the most influential Swiss watch manufacturers, founded in 1848. The brand is known for combining technical innovation with durable, functional design. In the vintage watch market, Omega holds a strong position thanks to its in-house movements, consistent production quality, and historically significant models that remain highly collectible today.

Why is Omega significant in vintage watch history?

Omega played a central role in 20th-century watchmaking, from precision timing in international sports to professional tool watches. The brand supplied watches to military forces, served as official timekeeper of the Olympic Games, and famously supported space exploration. Early Omega Speedmaster models, along with military Seamaster references, are considered cornerstones of vintage watch history.

Are vintage Omega watches suitable for everyday wear?

Yes. Many vintage Omega watches were designed as robust tools or professional watches intended for daily use. Time-only models powered by movements such as the Omega caliber 30T2, caliber 26x, or later caliber 5xx and 6xx families are especially well regarded for their reliability. When properly serviced, a vintage Omega watch can be worn regularly while maintaining its value as a collectible vintage watch.

What should collectors look for when buying a vintage Omega watch?

When purchasing a vintage watch from Omega, collectors should focus on originality and correct configuration. Important factors include:

  • Original dial and hands with period-correct printing

  • Correct case reference and matching movement

  • Clear Omega serial numbers

  • Evidence of professional servicing

Original components and unaltered dials are key drivers of value in the vintage Omega market.

Which vintage Omega models are most collectible?

Some of the most desirable vintage Omega watches include:

  • Omega Speedmaster references such as CK2915, CK2998, and early Professional models

  • Omega Seamaster military and early dive references (including CK2913 and 300 series)

  • Omega Constellation chronometer models with pie-pan dials

  • Early manual-wind chronographs powered by the caliber 321

These models are highly valued for their historical importance, movement quality, and lasting design appeal.

Are vintage Omega watches a good investment?

Omega offers a strong balance between brand recognition, historical relevance, and long-term collectability. In the vintage watch market, Omega watches often provide better accessibility compared to some luxury peers while still offering documented heritage and in-house movements. Well-preserved vintage Omega watches continue to show steady collector demand and price stability.

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Watch servicing information

All watches in our shop are in full working condition, having been professionally serviced by a certified watchmaker. Each watch undergoes a final inspection prior to shipping to ensure quality and reliability.

Shipping

Standard Delivery: 7-21 business days, depending on location. Free for all orders.

Express Delivery: 3-10 business days, depending on location, at extra cost. Free for orders 1000$ and more.

Processing Time: 3-5 business days for all orders, regardless of shipping method.

All parcels are fully insured and carefully packaged to ensure they arrive safely. For specific delivery estimates based on your country, please visit this page.

Warranty

Each watch purchased from us includes a warranty to ensure its quality and performance. The warranty covers movement and functional issues, with specific terms based on the type of watch (1 year for mechanical and automatic watches, 6 months for quartz watches). For more details, please visit this page.

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