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Reference Library / Omega / 210.30.42.20.03.001
Omega · Seamaster Diver 300M

210.30.42.20.03.001

Modern ceramic generation

Reference Profile

Technical specifications

Production years2018–present
Case size42 mm
MaterialSteel
Water resistance300 m
CrystalSapphire
MovementOmega 8800
ComplicationsDate
RarityMedium
Used market price€4 200–€5 600
New / unworn price€5 500–€6 500
Market trendStable
Investment score5/10
Service estimate€525–€945
Serviceability8/10
Collector Guidance

What to verify

Verify laser-engraved ceramic dial waves, bezel enamel scale, helium valve shape and display-back calibre 8800. Check cards and serial across case, movement and warranty records.

Most commonly faked or replaced

Ceramic dial/bezel, clasp, fake cards and decorated clone movements.

Price date: July 2026. Indicative European market range, not a purchase offer. Condition, originality, set completeness, provenance, taxes and dealer margin can materially change the price.

Market values vary by condition, completeness, provenance and current demand.
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