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Untouched and Unrestored All Original Omega Seamaster 420 from 1958
Sold by Fowey River Antiques
sold SA1136518
Sorry, but this item has been sold.
Fowey River Antiques

Fowey River Antiques

Sellingantiques Verified Since Apr 2010
Browse dealers 41 items
  • About Us
    We are traditional watchmakers who specialise in the restoration of premium vintage watches.
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Id #SA1136518
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Untouched and Unrestored All Original Omega Seamaster 420 from 1958

1940 - 1960
Sold 10 August 2025 · Fowey River Antiques
This “Untouched and Unrestored All Original Omega Seamaster 420 from 1958” found a buyer.

It was listed by Fowey River Antiques. Sold pieces stay on Sellingantiques as a record of what has passed through, and the next one is rarely far away.

Description

This is an incredible example of a gents wristwatch made by the world renowned premier Swiss maker Omega.

The watch is the rare manual wind Seamaster 420 with two tone dial as you can see it is in fabulous original and unrestored condition.

Everything about this watch is totally original including the glass and the winding crown . The dial is in superb condition, it has not been retouched or restored in any way and is the best example of a 1950s original two tone dial we have ever seen. All of the original lume is still intact.

The only work we have done is to service the movement and ultrasonically clean the case. It has been not polished so it is in exceptional original condition.

The calibre 420 movement is running to within original Omega specification.

As you would expect the watch is fully marked on the dial, movement and case. It comes with a brand new high quality leather strap and we can fit any colour or style you prefer including military webbing style straps.

It also comes with its original 1950s Omega leather strap still in nice useable condition.

This is a superb original example of this rare Seamaster and one of the best of this period we have come across.

The watch case measures 34mm in diameter not including the crown.

It comes with a 12 month warranty.

A superb all original collectors example.

Date of Manufacture

Fowey River Antiques has dated this Vintage Omega Seamaster to the 1950s.

Physical Dimensions
Height
20cm (7.87")
Depth
1cm (0.39")
Reference Numbers
Sellingantiques Reference
SA1136518
Dealers Internal Reference
OMEGA SEAMASTER
Dealers Notes

We specialise in high end vintage watches which we professionally restore such as Omega, Longines, Rolex, Jaeger LeCoultre etc and also ladies platinum and diamond cocktail watches.

All Watches include free fully insured international shipping. All other items please contact us for a quotation.

Description
This is an incredible example of a gents wristwatch made by the world renowned premier Swiss maker Omega.
“
The watch is the rare manual wind Seamaster 420 with two tone dial as you can see it is in fabulous original and unrestored condition.
Fowey River Antiques
fig 1. A vintage Omega Seamaster wristwatch featuring a silver dial with Arabic numerals, encased in stainless steel with a brown leather strap.
fig 1. Untouched and Unrestored All Original Omega Seamaster 420 from 1958

Everything about this watch is totally original including the glass and the winding crown . The dial is in superb condition, it has not been retouched or restored in any way and is the best example of a 1950s original two tone dial we have ever seen. All of the original lume is still intact.

fig 2. A vintage Omega Seamaster wristwatch featuring a silver dial with Arabic numerals, encased in stainless steel with a brown leather strap.
fig 2. Untouched and Unrestored All Original Omega Seamaster 420 from 1958

The only work we have done is to service the movement and ultrasonically clean the case. It has been not polished so it is in exceptional original condition.

The calibre 420 movement is running to within original Omega specification.

fig 3. A vintage Omega Seamaster wristwatch featuring a silver dial with Arabic numerals, encased in stainless steel with a brown leather strap.
fig 3. Untouched and Unrestored All Original Omega Seamaster 420 from 1958

As you would expect the watch is fully marked on the dial, movement and case. It comes with a brand new high quality leather strap and we can fit any colour or style you prefer including military webbing style straps.

fig 4. A vintage Omega Seamaster wristwatch featuring a silver dial with Arabic numerals, encased in stainless steel with a brown leather strap.
fig 4. Untouched and Unrestored All Original Omega Seamaster 420 from 1958

It also comes with its original 1950s Omega leather strap still in nice useable condition.

This is a superb original example of this rare Seamaster and one of the best of this period we have come across.

The watch case measures 34mm in diameter not including the crown.

It comes with a 12 month warranty.

A superb all original collectors example.

Date of Manufacture

Fowey River Antiques has dated this Vintage Omega Seamaster to the 1950s.

Height
20cm (7.87")
Depth
1cm (0.39")
Reference Numbers
Sellingantiques Ref
SA1136518
Dealers Internal Ref
OMEGA SEAMASTER
Fowey River Antiques
Fowey River Antiques
Sellingantiques verified Since Apr 2010

We are traditional watchmakers who specialise in the restoration of premium vintage watches.

Dealer Profile

You can view the stock and full dealer information on the Fowey River Antiques Profile Page

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A vintage Omega Seamaster wristwatch featuring a silver dial with Arabic numerals, encased in stainless steel with a brown leather strap. SOLD6+ MONTHS AGO
1 / 12
Archive I A vintage Omega Seamaster wristwatch featuring a silver dial with Arabic numerals, encased in stainless steel with a brown leather strap. SOLD6+ MONTHS AGO

Untouched and Unrestored All Original Omega Seamaster 420 from 1958

Archive II A vintage Omega Seamaster wristwatch featuring a silver dial with Arabic numerals, encased in stainless steel with a brown leather strap. View II
Archive III A vintage Omega Seamaster wristwatch featuring a silver dial with Arabic numerals, encased in stainless steel with a brown leather strap. View III
Archive IV A vintage Omega Seamaster wristwatch featuring a silver dial with Arabic numerals, encased in stainless steel with a brown leather strap. View IV
Archive V A vintage Omega Seamaster wristwatch featuring a silver dial with Arabic numerals, encased in stainless steel with a brown leather strap. View V
Archive VI A vintage Omega Seamaster wristwatch featuring a silver dial with Arabic numerals, encased in stainless steel with a brown leather strap. View VI
Archive VII A vintage Omega Seamaster wristwatch featuring a silver dial with Arabic numerals, encased in stainless steel with a brown leather strap. View VII
Archive VIII A vintage Omega Seamaster wristwatch featuring a silver dial with Arabic numerals, encased in stainless steel with a brown leather strap. View VIII
Archive IX A vintage Omega Seamaster wristwatch featuring a silver dial with Arabic numerals, encased in stainless steel with a brown leather strap. View IX
Archive X A vintage Omega Seamaster wristwatch featuring a silver dial with Arabic numerals, encased in stainless steel with a brown leather strap. View X
Archive XI A vintage Omega Seamaster wristwatch featuring a silver dial with Arabic numerals, encased in stainless steel with a brown leather strap. View XI
Archive XII A vintage Omega Seamaster wristwatch featuring a silver dial with Arabic numerals, encased in stainless steel with a brown leather strap. View XII
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Telephone 01726 813 155
Location
Par
Cornwall
United Kingdom
Dealer Profile Page sellingantiques.co.uk/fowey
Verified Since Apr 2010
Items For Sale 41
Items Sold 2,127
Fowey River Antiques
Fowey River Antiques
Verified Since Apr 2010
View Dealer Info
Location: Par, Cornwall, United Kingdom
Verified
Apr 2010
For Sale
41
Sold
2,127
A vintage Omega Seamaster wristwatch featuring a silver dial with Arabic numerals, encased in stainless steel with a brown leather strap.
untouched and unrestored all original Omega Seamaster 420 from 1958
Ref: SA1136518
A vintage Omega Seamaster wristwatch featuring a silver dial with Arabic numerals, encased in stainless steel with a brown leather strap.
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Archival Detail
Every single antique dealer on our platform is individually approved by our internal team. We verify their professional trade history, ethical standards, and photographic quality to ensure a secure, high-standard buying environment. Upon joining, every dealer agrees to a strict 9-point code of conduct. While issues can occasionally arise, our dealers typically resolve them swiftly and directly with the buyer. In fact, since our founding in 2002, Sellingantiques has only had to step in to help resolve an issue on roughly five occasions—a true testament to the quality of our dealers and their dedication to your happiness.
Our dealers are highly experienced in packing and shipping fragile, high-value antiques. Because you are in direct contact with the dealer, you will be able to easily go through all available shipping and insurance options together to ensure your item arrives safely.
Antiques are the ultimate green purchase. By choosing historical pieces over newly manufactured goods, you completely eliminate the carbon footprint of modern mass production while preserving exceptional, timeless craftsmanship.
Written by Sellingantiques from the dealer’s photographs and listing
  • ObjectWristwatches
  • Period1940 - 1960
  • StyleMid-Century
  • MaterialStainless Steel, Leather, Acrylic
  • ColourSilver and Brown
  • MotifsArabic numerals, Dauphine hands, Round stainless steel case, Sub-seconds dial
  • SizeH 20 cm (8 in) x D 1 cm (0 in)

Introduced in 1948, the Omega Seamaster was initially inspired by waterproof wristwatches made for the British military during the Second World War, later evolving into a definitive symbol of elegance and reliability.

These watches typically featured stainless steel or gold cases, acrylic crystals, and hand-wound mechanical movements such as the robust calibre 420 series.

Authenticity is verified by matching serial numbers on the movement and case back, examining signature branding on the dial, and checking the calibre stamp against official factory records.

A classic timepiece pairs effortlessly with tailored suiting or smart-casual attire, adding a subtle nod to mid-century sophistication.

Ensure regular servicing by a qualified horologist every three to five years, avoid exposure to moisture unless pressure tested, and store away from magnetic fields.
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