Omega Seamaster Men Automatic Black Rubber Watch O21032445101001

The Omega Seamaster Diver 300M Chronograph O21032445101001 combines a bold 44 mm stainless steel case with a black ceramic dial and a durable black integrated rubber strap. Powered by the Omega Co-Axial Master Chronometer Calibre 9900, the Omega Seamaster Diver 300M Chronograph O21032445101001 delivers chronograph functionality, exceptional precision, and professional diving performance in a modern sports watch.

Built for demanding conditions, this Seamaster features a black ceramic bezel with a white enamel diving scale, a laser-engraved wave-pattern dial, a transparent sapphire case back, and Omega’s signature helium escape valve. With 300 metres of water resistance, METAS Master Chronometer certification, and magnetic resistance up to 15,000 gauss, it is equally suited for diving, travel, and everyday wear.

Product Specifications

Brand: Omega
Collection: Seamaster Diver 300M Chronograph
Model: O21032445101001
Gender: Men’s

Case

• Diameter: 44 mm
• Thickness: Approx. 17.2 mm
• Material: Stainless Steel
• Bezel: Black ceramic unidirectional rotating bezel with white enamel diving scale
• Crystal: Domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides
• Case Back: Transparent sapphire exhibition case back
• Helium Escape Valve: Yes
• Crown: Screw-down crown

Dial

• Color: Black Ceramic
• Finish: Laser-engraved wave pattern
• Markers: Applied rhodium-plated hour markers with Super-LumiNova
• Hands: Rhodium-plated skeleton hands with Super-LumiNova
• Subdials: Dual-register chronograph with small seconds
• Date Display: At 6 o’clock position

Movement

• Caliber: Omega Co-Axial Master Chronometer Calibre 9900
• Type: Automatic, self-winding chronograph
• Power Reserve: Approx. 60 hours
• Frequency: 28,800 vibrations per hour (4 Hz)
• Jewels: 54
• Features: Hours, minutes, small seconds, chronograph, date, time zone function
• Certification: METAS Master Chronometer

Strap

• Material: Black Rubber
• Type: Integrated Rubber Strap
• Clasp: Stainless Steel Foldover Clasp

Additional Features

• Water Resistance: 300 meters (30 bar)
• Magnetic Resistance: Resistant to magnetic fields up to 15,000 gauss