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Since its debut in 1993, the OMEGA Seamaster Diver 300M has maintained a legendary following among ocean adventurers and luxury connoisseurs alike. This special 75th Anniversary edition honors that maritime legacy with a striking PVD-treated ceramic dial in OMEGA's signature Summer Blue, laser-engraved with the iconic wave pattern. Combining precision ocean technology with an sophisticated aesthetic, it represents the absolute pinnacle of contemporary Swiss horology.

Technical Specifications:

Reference Number: 210.30.42.20.03.003
Case Diameter: 42mm
Case Thickness: 13.6mm
Lug-to-Lug Distance: 49.9mm
Lug Width: 20mm
Case Material: Premium Stainless Steel
Bezel: Unidirectional rotating blue ceramic bezel with a Summer Blue enamel diving scale
Dial Color: Summer Blue gradient with laser-engraved wave pattern and light blue Super-LumiNova filled indexes
Crystal Type: Domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides
Case Back: Stamped commemorative Seamaster logo depicting a trident-bearing Poseidon and two seahorses
Water Resistance: 300 meters (1000 feet) featuring a helium escape valve and screw-in crown
Movement: OMEGA Calibre 8800, Self-winding automatic movement with Co-Axial escapement
Movement Certification: Certified Master Chronometer approved by METAS, resistant to magnetic fields reaching 15,000 gauss
Power Reserve: Approximately 55 hours
Calendar Function: Date display window located at the 6 o'clock position
Bracelet Material: Premium Stainless Steel
Clasp Type: Foldover clasp with comfort setting adjustment and diver extension
Wrist Size Capacity: Approximately 20.5cm

Item Condition Note: This is a pre-owned time-piece evaluated at Condition Rank A. The stainless steel case, bezel, bracelet, and buckle exhibit small, faint surface scratches consistent with gentle use. The sapphire glass is pristine with no noticeable damage. The manufacturer's box shows some wear/damage.

All swiss watches sold on Haute24 are 100% authentic with box, papers & internationl warranty included. This timepiece includes the original manufacturer's box, pictogram card, chronometer certificate, and the official manufacturer's warranty stamped in Japan (January 2025).