Omega Speedmaster Racing Co-Axial Master Chronometer Chronograph 44.25 mm

329.33.44.51.01.001

Omega Speedmaster Racing Co-Axial Master Chronometer Chronograph 44.25 mm reference 329.33.44.51.01.001 is a chronograph watch with a 44.3mm stainless steel case, 14.9mm thick, 50mm lug to lug, driven by the Omega 9900, with 60h of power reserve, water resistant to 50m, in production as of November 2026.

Diameter

44.3mm · manufacturer

Thickness

14.9mm · manufacturer

Size

Large

Lug to lug

50mm · manufacturer

Water resistance

50m · manufacturer

Movement

Omega 9900 · manufacturer

Type

Chronograph · manufacturer

Case material

Stainless Steel · manufacturer

Case shape

Round · manufacturer

Dial

Black · manufacturer

Dial finish

Textured · manufacturer

Complications

Chronograph, Date, GMT / Dual Time · manufacturer

Crystal

Domed scratch-resistant sapphire crystal with anti-reflective treatment on both sides · manufacturer

Power reserve

60h · manufacturer

Straps

Leather · manufacturer

Certifications

COSC Chronometer, Master Chronometer · manufacturer

Origin

Swiss (Heritage)

Era

Contemporary · manufacturer

Manufacturer: from the brand’s own product page. Corroborated: the same figure found on two or more independent pages. Entered by Horowell: chosen by a person at Horowell. Unverified: from another source, not yet checked.