The Omega Speedmaster Broad Arrow (Reference 3851.20.12) is a highly collectible 42mm automatic luxury chronograph. Originally introduced in 2002, this model pays tribute to the original 1957 Speedmaster by using distinctive "Broad Arrow" hands, while updating the architecture with a modern automatic movement and a date feature.

• Case Size: 42 mm diameter, 14 mm thickness, 20 mm lug width.

• Case Material: High-grade brushed and polished stainless steel.

• Dial Details: Granular white/cream dial with luminescent blue hands, matching applied blue markers, and a date window at 6 o'clock.

• Crystal: Domed, scratch-resistant sapphire crystal with anti-reflective treatment.

• Bezel: Fixed stainless steel bezel with an engraved tachymeter scale.

• Water Resistance: 10 bar (100 meters / 330 feet).

• Strap: Brown alligator leather strap featuring a stainless steel foldover deployment clasp. 
  
  Movement & Performance

  This model is powered by the Omega Calibre 3303, a high-end self-winding mechanism built on a column-wheel chronograph layout. 

• Type: Mechanical automatic movement (self-winding).

• Certification: Official COSC-certified chronometer.

• Power Reserve: 55 hours.

• Vibrations: 28,800 vph (4 Hz).