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Omega Seamaster Planet Ocean Co-Axial Master Chronometer 215.90.44.21.99.001 43.5 mm, titanium - titanium, Caliber 8900, 60-hour power reserve

Omega Seamaster Planet Ocean 600M 215.90.44.21.99.001 Watch | Titanium, Gray Dial, Titanium Bracelet, Caliber 8900, 43.5 mm

• All-Titanium Construction (Grade 5, 43.5 mm): Case and metal bracelet crafted from titanium with high resistance to corrosion and scratches, offering extreme lightness (only 140 g) and unbeatable comfort.
• Co-Axial Master Chronometer Caliber 8900: METAS-certified in-house automatic movement, featuring a time zone function (independent hour hand jump), magnetic resistance up to 15,000 gauss, and a double barrel providing a 60-hour power reserve.
• Titanium Gray Dial with Orange Accents: A gray dial with a technical finish featuring applied orange Arabic numerals, a date window at 3 o’clock, and Super-LumiNova luminescent hour markers.
• Professional Dive Water Resistance (600M): Water-resistant to 60 bar (600 m / 2,000 ft), equipped with a conical helium escape valve at the 10 o’clock position and a screw-down crown for deep diving.
• Integrated Grade 5 Titanium Bracelet: Sturdy titanium links with a micro-adjustable safety folding clasp, combining exceptional lightness with maximum strength.

Product Description

The Omega Seamaster Planet Ocean 600M (Ref. 215.90.44.21.99.001) takes technical diving design to the highest level thanks to its all-Grade 5 titanium construction. Featuring a 43.5 mm case with a matching metal bracelet, this model replaces conventional steel with a biocompatible, ultra-strong aerospace-grade metal, reducing the total weight to just 140 grams without compromising the watch’s sturdiness or imposing presence (49.00 mm from lug to lug).

Its gray titanium dial exudes a distinctly technical look with vibrant orange accents on the Arabic numerals and the seconds hand. The applied hands and hour markers feature a Super-LumiNova luminescent coating to ensure immediate readability in complete darkness.

The gray ceramic bezel incorporates titanium nitride and orange rubber on the diving scale. Protected by a convex sapphire crystal with an anti-reflective coating on both sides, it also features the essential conical helium escape valve at the 10 o’clock position.

Inside, the self-winding OMEGA Caliber 8900 beats, visible through the transparent sapphire crystal case back. Backed by METAS’s rigorous Master Chronometer certification, this dual-barrel movement guarantees a 60-hour power reserve, an independent hour-jump function to facilitate time zone changes, and complete immunity to everyday magnetic fields of up to 15,000 gauss.

Technical Specifications

Specification Detail

Brand / Collection OMEGA / Seamaster Planet Ocean 600M

Reference 215.90.44.21.99.001

Movement Co-Axial Master Chronometer automatic (OMEGA Caliber 8900 with date)

Certification / Power Reserve Master Chronometer by METAS / 60 hours (dual-barrel)

Case Grade 5 titanium (43.5 mm diameter / 16.09 mm thickness / 49.00 mm lug-to-lug)

Lug Width 21 mm

Dial Titanium gray with orange accents and date window at 3 o’clock

Crystal Convex, scratch-resistant sapphire crystal with anti-reflective coating on both sides

Case Back Transparent sapphire crystal

Bracelet Grade 5 titanium with safety folding clasp

Bezel Gray ceramic with dive scale and orange rubber insert

Water Resistance 60 bar (600 meters / 2,000 feet) with helium escape valve

Total Weight Approx. 140 g