Omega Seamaster 120m Ref. 2511.31.00
Dive Watch (Luxury Sports) · Omega (Swatch Group), Luxury Tier
Period: Neo-Vintage / 1990s Era
Type
Dive Watch (Luxury Sports)
Brand
Omega (Swatch Group), Luxury Tier
Movement
Omega Caliber 1538 quartz movement, high-precision thermocompensated movement with end-of-life (EOL) indicator
Dimensions
Case diameter: 36mm, Case thickness: ~10mm, Lug-to-lug: ~43mm, Lug width: 18mm
Description
The Omega Seamaster 120m bridges the gap between a robust professional dive watch and an elegant everyday sports timepiece. With its comfortable 36mm case, iconic wave-pattern silver dial, and reliable quartz movement, it offers exceptional versatility, understated luxury, and timeless late-90s horological charm.
Key Features
Distinctive horizontal wave-pattern silver dial, smooth polished fixed bezel, ultra-slim profile for a Seamaster, and a highly accurate quartz movement
Dial Description
Silver dial with characteristic horizontal wave pattern, applied luminous block hour indices, skeletonized hands with luminous tips, printed minute track on outer perimeter, and a date window positioned at 3 o'clock
Case Material
Stainless steel 316L with a combination of highly polished bezel/accents and brushed case sides
Crystal Type
Flat scratch-resistant sapphire crystal with anti-reflective coating inside
Bezel Details
Fixed smooth polished stainless steel bezel
Crown & Pushers
Signed screw-down crown featuring the Omega logo, protected by subtle integrated crown guards
Bracelet or Strap
Signature Seamaster multi-link stainless steel bracelet with a deployment clasp
Caseback Details
Solid screw-down stainless steel case back stamped with the iconic Omega Seamaster hippocampus logo
Movement Type
Omega Caliber 1538 quartz movement, high-precision thermocompensated movement with end-of-life (EOL) indicator
Water Resistance
Rated to 120 meters (400 feet / 12 ATM), suitable for recreational swimming, snorkeling, and shallow diving, but not professional saturation diving.
Origin & Provenance
Swiss Made, manufactured in Bienne, Switzerland
Age Estimate
Circa late 1990s to early 2000s
Cultural Significance
Represents Omega's successful design language of the late 20th century, cementing the wave dial as a hallmark of the Seamaster family during the brand's modern Renaissance.
Condition Notes
Moderate surface wear and hairline scratches consistent with age and regular use across the polished bezel and stainless steel bracelet. Crystal appears clean and free of major scratches.
Value Estimate
Secondary market value ranges generally between $1,000 to $1,800 USD depending on condition, inclusion of original box and papers, and recent service history.
Care & Maintenance
Battery replacement every 3 to 4 years by an authorized watchmaker to ensure proper seal replacement and water resistance testing. Avoid harsh impacts and magnetic fields.
Similar Watches
Omega Seamaster Aqua Terra 36mm, Tag Heuer 2000 series, Rolex Datejust 36 on Oyster bracelet
Interesting Facts
The Seamaster 120m line shares its design lineage with the legendary Seamaster Professional 300m made famous by James Bond, but offers a slimmer profile and fixed bezel tailored for everyday wear and light water activities.