Omega Ref. 1403 Stainless Steel and Gold-Tone Dress Watch Case

Jewelry (Wristwatch Case) · Omega SA, a prestigious Swiss luxury watchmaker founded in 1848 by Louis Brandt in La Chaux-de-Fonds, Switzerland. Omega is a member of the Swatch Group and is historically significant for its precision and use in the Olympic Games and space missions.

Pattern: Omega Reference 1403; part of the dress watch collections likely from the mid-20th century.

Omega Ref. 1403 Stainless Steel and Gold-Tone Dress Watch Case

Type

Jewelry (Wristwatch Case)

Maker

Omega SA, a prestigious Swiss luxury watchmaker founded in 1848 by Louis Brandt in La Chaux-de-Fonds, Switzerland. Omega is a member of the Swatch Group and is historically significant for its precision and use in the Olympic Games and space missions.

Material

Stainless steel case back with a gold-tone (likely gold-plated or gold-filled) bezel and lug assembly. No significant silver content is present in this item; the primary materials are steel and base metal with decorative plating.

Dimensions

Standard men's mid-size or unisex dress watch proportions, approximately 33mm to 35mm in diameter excluding the crown. Weight is negligible, estimated at 15-20 grams without the movement.

Description

This is a vintage Omega watch case featuring a distinctive two-toned appearance. The case back is constructed from durable stainless steel, while the primary housing and lugs show a bright gold-tone finish. It represents the classic Swiss approach to mid-tier luxury during the mid-to-late 20th century, utilizing durable steel for skin contact and gold plating for aesthetic appeal.

Key Features

Central Omega logo stamp, reference number 1403, and the distinction between 'stainless steel back' and the plated front assembly.

Material & Composition

Stainless steel case back with a gold-tone (likely gold-plated or gold-filled) bezel and lug assembly. No significant silver content is present in this item; the primary materials are steel and base metal with decorative plating.

Finish & Decoration

Polished mirror finish on the stainless steel case back; gold-toned metallic plating on the outer case. The design is utilitarian and classic with smooth lugs and a simple knurled crown.

Hallmarks & Stamps

Stamped 'STAINLESS STEEL BACK', 'OMEGA' with the Greek Omega symbol, 'SWISS', '1403' (reference number), and 'WATER RESISTANT'. No precious metal hallmarks (such as a lion passant for silver or a dog's head for platinum) are visible, which is consistent with steel/plated materials.

Construction Details

Two-piece case construction consisting of a snap-on or friction-fit stainless steel case back and a cast or machined gold-plated upper case with integrated lugs; features spring bars for strap attachment.

Functional Features

Friction-fit case back to protect internal movement, fluted crown for time setting, and water-resistant seals (though currently compromised by age).

Handle & Grip Details

N/A; Small fluted setting crown at 3 o'clock position made of base metal plated to match the case.

Craftsmanship Details

Relatively standard mass-production quality for the period; the stamping is clear but the plating thickness was insufficient for long-term heavy wear, as evidenced by the significant corrosion/pitting on the lugs.

Authentication Indicators

The engraving style and font of the Omega logo appear inconsistent with high-end vintage Omega production; specifically, the 'Water Resistant' and 'Stainless Steel Back' text layout frequently appears on counterfeit or lower-budget 'homage' incarnations of this reference. Genuine Omega cases of this era usually feature reference numbers inside the case back, not outside.

Origin & Manufacturing

Biel/Bienne, Switzerland; manufactured under Swiss horological standards by Omega SA.

Era & Period

Modern Era/Mid-Century influences; the reference style and stamping font suggest a production period during the late 20th century quartz or mechanical transition era.

Age Estimate

Circa 1970s - 1980s based on the '1403' reference number and the specific layout of the case back engraving.

Cultural Significance

Represents the democratization of Swiss luxury, where brands like Omega moved toward gold plating and steel backs to reach a broader consumer market during the 'Quartz Crisis' of the 1970s and 80s.

Condition Notes

Fair to Good. Significant wear-through (pitting) of the gold plating is visible on the lugs and case edges, exposing the base metal underneath. Scratches are present on the steel back. No watch movement, dial, or strap is attached.

Value Estimate

$20 - $50 USD. As a standalone, heavily worn case without a movement or dial, it serves primarily as a source for spare parts (lugs or crown).

Care & Maintenance

Avoid acidic cleaners. Gently wipe with a soft microfiber cloth. Do not attempt to polish the gold-tone areas as the plating is already thin and will be removed entirely, exposing the dark base metal.

Similar Pieces

Omega Seamaster (Solid Gold or Steel), Omega Constellation, or Longines dress watches from the same era which may feature solid silver (rare in watches) or solid 18k gold cases.

Interesting Facts

The reference 1403 is often associated with Omega's quartz revolution era, where the brand began experimenting with more accessible materials and diverse case designs to compete with the rising Japanese watch market.

Identified on 5/14/2026
Omega Ref. 1403 Stainless Steel and Gold-Tone Dress Watch Case | Silver Identifier