Reference: 210.30.42.20.03.001
Year: 2025
Dial: Blue
Bracelet: Steel
Condition: PRE_OWNED
This 2025 Omega Seamaster Diver 300M Co‑Axial Master Chronometer (Ref. 210.30.42.20.03.001) in excellent condition showcases the perfect fusion of professional performance and refined style. Its signature blue ceramic dial features the iconic laser‑engraved wave pattern, complemented by polished hands and hour markers filled with white Super‑LumiNova. The stainless‑steel 42 mm case and matching steel‑rubber bracelet offer a sporty yet sophisticated look suitable for any occasion. This watch is powered by Omega’s Master Chronometer Calibre 8800, providing remarkable precision, a 55‑hour power reserve, and resistance to magnetic fields up to 15,000 gauss. Included is one brand‑new white aftermarket rubber strap for added versatility and style.
Specifications:
Brand: Omega
Model: Seamaster Diver 300M Co‑Axial Master Chronometer
Reference: 210.30.42.20.03.001
Year: 2025
Condition: Excellent
Case Size: 42 mm
Case Material: Stainless Steel
Bezel: Blue ceramic, unidirectional rotating
Dial: Blue ceramic with laser‑engraved waves, date at 6 o’clock
Crystal: Sapphire with anti‑reflective coating
Movement: Omega Calibre 8800, automatic, Co‑Axial Master Chronometer
Power Reserve: 55 hours
Water Resistance: 300 m / 1000 ft
Bracelet/Strap: Steel Omega bracelet + 1 new white aftermarket rubber strap
Scope of Delivery:
Original Omega Presentation and Outer White box
Warranty, pictogram, and Master Chronometer cards (2025)
Instruction manual
1 Omega steel bracelet
1 new white aftermarket rubber strap
An iconic modern diver’s watch—beautifully maintained, complete, and ready to wear.
















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