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O Speedmaster Ref# 310.30.42.50.01.002
  • O Speedmaster Ref# 310.30.42.50.01.002
  • O Speedmaster Ref# 310.30.42.50.01.002
  • O Speedmaster Ref# 310.30.42.50.01.002
  • O Speedmaster Ref# 310.30.42.50.01.002
  • O Speedmaster Ref# 310.30.42.50.01.002
  • O Speedmaster Ref# 310.30.42.50.01.002
  • O Speedmaster Ref# 310.30.42.50.01.002
  • O Speedmaster Ref# 310.30.42.50.01.002
  • O Speedmaster Ref# 310.30.42.50.01.002
  • O Speedmaster Ref# 310.30.42.50.01.002
  • O Speedmaster Ref# 310.30.42.50.01.002
  • O Speedmaster Ref# 310.30.42.50.01.002
O Speedmaster Ref# 310.30.42.50.01.002
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$349.00 USD $1,343.00 USD
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🔹 Overview
The O Speedmaster Professional Moonwatch Ref. 310.30.42.50.01.002 is the iconic chronograph that traveled to the Moon. Known for its legendary history and cultural significance, this 42 mm stainless steel watch embodies precision, endurance, and timeless design. Its combination of heritage and modern engineering makes it a symbol of human exploration and achievement.

💎 Key Specifications
Case: 42 mm stainless steel, polished and brushed finish
Bezel: Engraved tachymeter scale
Dial: Black step dial with high-contrast white markers and three subdials
Crystal: Hesalite
Bracelet: Stainless steel bracelet with brushed and polished links
Functions: Hours, minutes, small seconds, chronograph
Water Resistance: 50 meters / 165 feet

⏱️ Movement
Type: Manual-winding, O Co-Axial Master Chronometer Calibre 3861
Features: METAS-certified, anti-magnetic up to 15,000 gauss, COSC-level accuracy, beautifully finished
Power Reserve: ~50 hours
Functions: Central hours, minutes, small seconds; chronograph with 60-second, 30-minute, and 12-hour counters

✅ Conclusion
The O Speedmaster Professional Moonwatch Ref. 310.30.42.50.01.002 is more than a timepiece — it’s a piece of space history. With its robust stainless steel case and bracelet, precise Calibre 3861 movement, and legendary design, it is an heirloom for collectors and dreamers alike, combining heritage, performance, and a lasting symbol of human ambition.

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