Omega Seamaster Planet Ocean Ultra Deep 6000M | Steel/Ceramic | Grey

A Legacy Forged Beneath the Waves

Born of a lineage that began with the 1957 Seamaster 300, the Planet Ocean Ultra Deep represents Omega's uncompromising commitment to exploration and engineering. This pre-owned 6000M specimen translates decades of maritime know‑how into a purpose-built instrument designed for the most extreme underwater environments.

Built for the Abyss

• Reference Number: 215.30.46.21.06.001
• Water Resistance: 6000 m / 19,685 ft
• Helium Escape Valve: Conical, purpose-built HEV for saturation environments
• Unidirectional Rotating Bezel with Ceramic Insert: Durable, high-contrast timing for dive safety
• Co‑Axial Master Chronometer Calibre: Omega's magnet‑resistant, high‑precision automatic movement
• Case Diameter: 45.5 mm
• Case & Bezel Material: Ceramic and stainless steel construction for extreme strength and corrosion resistance
• Bracelet: Robust stainless-steel bracelet with dive extension for wetsuit use
• Dial Colour: Grey — high legibility under varied lighting
• Includes: Box and Papers (Pre-owned condition: Good)

The Curator's Insight

That conical helium escape valve is more than a flourish — it's a functional affirmation that this watch was conceived to endure the full rigours of saturation diving. Small, considered details like this separate marketing from genuine, operational design.

A Tool You Can Trust with Your Life

This Planet Ocean Ultra Deep is not theatre; it is engineering realized. With record‑level water resistance, a ceramic case built to resist the elements, and Omega's Master Chronometer movement at its heart, the watch is a statement that reliability under pressure is non‑negotiable — whether you're descending to extreme depths or simply navigating the demands of daily life.

This Watch is Ideal For...

• Professional or serious recreational divers who require extreme depth capability
• Collectors who prize historically significant, purpose-built dive instruments
• The individual who values over-engineered durability married to modern horological performance