🔹 Overview
The O Speedmaster “Dark Side of the Moon” pays homage to space exploration, combining bold innovation with technical excellence. Its 44.25 mm monobloc case is crafted entirely from black zirconium oxide ceramic, offering extreme hardness and a matte finish. The polished ceramic bezel features a tachymeter scale in matte chromium nitride, emphasizing its chronograph heritage. The black zirconium oxide dial integrates recessed sub-dials for a symmetrical layout, while 18K white gold hands and indexes with Super-LumiNova ensure exceptional legibility. This watch embodies cosmic elegance and modern design.

💎 Key Specifications
Case Diameter: 44.25 mm
Case Material: Black zirconium oxide ceramic, monobloc construction
Bezel: Polished ceramic with tachymeter scale in matte chromium nitride
Dial: Black ceramic with recessed chronograph sub-dials, “ZrO₂” engraving
Hands & Indexes: 18K white gold with Super-LumiNova coating
Sub-dials: Small seconds at 9 o’clock, 60-minute + 12-hour recorder at 3 o’clock
Strap: Black coated nylon fabric with ceramic foldover clasp
Crystal: Sapphire crystal
Water Resistance: 50 m / 165 ft

⏱️ Movement
Caliber: O Co-Axial Calibre 9300, self-winding chronograph with column-wheel mechanism
Power Reserve: 60 hours
Frequency: Not specified (high-performance dual-barrel system)
Functions:
• Central hours, minutes, and chronograph seconds
• Small seconds sub-dial
• 60-minute and 12-hour chronograph recorder
• Stop-seconds function for precise time setting
Caseback: Sapphire crystal, showcasing movement architecture and finishing

✅ Conclusion
The O Speedmaster Dark Side of the Moon transforms a lunar legend into a modern, high-tech masterpiece. Its full-ceramic construction, innovative Co-Axial movement, and cosmic design make it a standout chronograph for collectors and explorers alike. This timepiece is a symbol of precision, durability, and the pioneering spirit — a watch for those who pursue greatness, even on the dark side.