2021 Omega Seamaster Planet Ocean 600M Co-Axial Master Chronometer Ref. 215.90.44.21.99.001 – 44mm Titanium with Sandblasted Grade 5 Titanium Dial

2021 Omega Seamaster Planet Ocean 600M Co-Axial Master Chronometer Ref. 215.90.44.21.99.001 – 44mm Titanium with Sandblasted Grade 5 Titanium Dial

MSRP Price: $11,200

Condition: Excellent

Availability: In Stock

Warranty: Valid Through 2026

Includes: Watch, Original Outer and Inner Omega Boxes, International Warranty Card, Master Chronometer Card, Pictogram Card, OEM Titanium Bracelet, Hangtag, and Manuals.

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Overview

The Omega Seamaster Planet Ocean 600M Co-Axial Master Chronometer Ref. 215.90.44.21.99.001 is a rugged yet refined diver built for extreme conditions. Featuring a 44mm grade 5 titanium case, a sandblasted titanium dial, and a dark gray and orange ceramic bezel with Liquidmetal® diving scale, this timepiece is as lightweight as it is durable. Powered by Omega’s Caliber 8900—a METAS-certified Master Chronometer—it resists magnetic fields up to 15,000 gauss while delivering a 60-hour power reserve and extreme accuracy. This is a purpose-built dive watch that doesn’t compromise on luxury or engineering.

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Key Specifications

Model Year: 2021

Case Material: Grade 5 Titanium

Case Diameter: 44.0 mm

Case Thickness: Approx. 16.5 mm

Dial Color: Sandblasted Grade 5 Titanium

Bezel: Dark Gray and Orange Ceramic with Liquidmetal® Diving Scale

Crystal: Domed Scratch‑Resistant Sapphire with Anti‑Reflective Treatment on Both Sides

Movement: Omega Caliber 8900 (Automatic, Co-Axial Master Chronometer, METAS Certified)

Condition: Excellent

Power Reserve: 60 Hours

Water Resistance: 600 meters / 2000 feet

Strap: OEM Titanium Bracelet

Buckle: Folding Clasp with Divers Extension

Functions: Hours, Minutes, Central Seconds, Date, Anti-Magnetic, Helium Escape Valve

Case Back: Transparent Sapphire Crystal

Price: $5,600

Protection:

A plastic film/sticker has been added to protect the watch case, bracelet, and clasp. It is easily removable.

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Design Highlights

Dial: Unique sandblasted titanium dial with applied markers and broad arrow hands filled with Super-LumiNova for optimal visibility.

Case: Brushed grade 5 titanium offers exceptional strength and lightness—perfect for long wear.

Bezel: Dark gray and orange ceramic bezel with Liquidmetal® diving scale adds striking contrast and durability.

Movement: The Caliber 8900 is chronometer-certified by COSC and METAS, ensuring performance in real-world conditions, including high magnetic fields.

Helium Escape Valve: Designed for saturation divers, this feature prevents pressure buildup during decompression.

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Final Thoughts

The Omega Seamaster Planet Ocean Ref. 215.90.44.21.99.001 is a cutting-edge dive watch crafted with premium materials and exceptional engineering. Between its lightweight titanium construction, anti-magnetic movement, and 600m water resistance, this Planet Ocean is made for professionals but refined enough for daily wear. A standout in Omega’s modern lineup, it’s the perfect blend of performance and sophistication.

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