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Omega Seamaster White Professional 300M (Ref. 2542.20), 1998 — view 1 of 6
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Omega Seamaster White Professional 300M (Ref. 2542.20), 1998

DocumentedDocumented from a dealer's listing; attribution and date as stated by the dealer.
Maker / attribution
Omega (maker)
Date
1998
Country of origin
Switzerland
Object type
Wristwatch
Dimensions
Case 41 mm
Stock no.
Product 8448339247287
Credit line
Dealer listing, Huntington Company (product 8448339247287)
Catalogue title (original)
1998 Omega Seamaster White Professional 300M (Ref. 2542.20) (English)

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Record summary

Catalogued by Huntington Company (dealer) (stock number Product 8448339247287), this is a wristwatch by Omega, made in Switzerland, dated 1998. The Atlas places it in the Mechanical Renaissance period (1990 – 2010) of its Wristwatches collection. Recorded dimensions: Case 41 mm. The record is illustrated with 6 photographs.

Assembled from the source record's structured fields. Dates and attributions are given as the source states them; where a field is missing the Atlas leaves it blank rather than estimating.

Catalogue description

Dealer description — Huntington Company

History and Significance The late 1990s Seamaster Professional 300M represents one of Omega’s most recognizable modern dive watches. Introduced in the early 1990s, the 300M line combined professional dive specifications with a distinctive design language that set it apart from its peers. The scalloped bezel, skeletonized hands, and helium escape valve at 10 o’clock became defining traits of the collection. Reference 2542.20 features a white dial paired with a stainless steel case and bracelet. The white dial gives this reference a slightly different character from the more common blue variant. It highlights the applied markers and black-outlined hands, while the red-tipped seconds hand adds a subtle contrast. Rated to 300 meters, the watch is built to true dive standards, yet its proportions and finishing make it just as suitable for daily wear. Powered by a quartz movement, this example reflects Omega’s focus during the period on accuracy and reliability in a professional-grade sports watch. Writer’s Thoughts The white dial changes the entire feel of the Seamaster. It looks brighter, a bit sharper, and surprisingly versatile. On the wrist, it feels less tool-heavy than the blue version and a touch more refined, even though the case and specs are identical. At 41mm, it wears balanced and comfortable, and the bracelet gives it that classic late-90s Omega presence. If you want a Seamaster from this era that stands out without trying too hard, the white 2542.20 is a strong choice. Our Promise Every watch is thoroughly vetted, carefully described with complete transparency, and guaranteed authentic. This watch is offered in honest condition. Specifications Brand: Omega Model: Seamaster Professional 300M (Ref. 2542.20) Year: 1998 Case: Stainless steel with unidirectional rotating bezel Case Size: 41mm Dial: White dial with applied hour markers and date display Crystal: Sapphire Movement: Omega quartz movement Strap/Bracelet: Stainless steel bracelet Buckle/Clasp: Omega folding clasp Contents: Watch only Condition Case: The case shows light surface wear consistent with normal use and age. Bezel: Bezel shows light surface wear; numerals and insert remain intact. Crystal: Crystal appears clean with no visible cracks. Dial: Dial is clean with intact printing and markers. Hands: Hands appear correct and clean. Strap/Bracelet: Bracelet shows light surface wear consistent with use. Buckle/Clasp: Clasp functions properly with light surface wear.

Historical context

Mechanical Renaissance (1990 – 2010)

Mechanical watches return as cultural objects; independent watchmaking flourishes.

Mechanical watches returned as cultural and luxury objects. Complications, tourbillons and new materials proliferated; independent watchmakers such as George Daniels, F.P. Journe and Philippe Dufour revived artisanal watchmaking; collecting vintage watches became a major field.

Read the period in the timelineMore wristwatches from this periodEarlier: Quartz Revolution

Atlas type guide

Dive and water-resistant watches

Keeping water and dust out of a wristwatch was a long-standing challenge. Rolex's screw-down Oyster case (1926) and Omega's Marine (1932) were landmarks; in the early 1950s Blancpain's Fifty Fathoms and Rolex's Submariner defined the professional dive watch with rotating bezels for timing dives, luminous dials and high water resistance. The ISO 6425 standard (1982) later codified what a 'diver's watch' must do.

Dive watches became icons of post-war design and exploration, and their evolution — helium escape valves, ceramic bezels, saturation-diving depth ratings — records the history of underwater work.

What to look for

  • Unidirectional or bidirectional rotating bezel with minute markings.
  • Screw-down crown and case back; depth rating printed on the dial.
  • Luminous hands and markers (radium before c. 1960, tritium c. 1960–1998, then Super-LumiNova).
  • Reference numbers on the case between the lugs or inside the back.

Dating clues

  • Screw-down Oyster cases: from 1926.
  • Professional dive watches: from 1953.
  • Tritium 'T' marks on dials: c. 1960–1998.

General guidance written by the Atlas editors about this kind of object. It is not a statement about this particular piece; for that, rely on the source record above and on physical examination.

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