OMEGA Speedmaster Moonphase (Blue Side Of The Moon)

The Omega Speedmaster Moonphase (Blue Side Of The Moon), reference 304.93.44.52.03.002, has a 44.25 mm blue ceramic case. Thickness runs to 17.12 mm with a lug-to-lug span of 49.8 mm. The self-winding calibre 9904 drives the movement, a column-wheel chronograph with a silicon balance spring and Co-Axial escapement, certified as a Master Chronometer and resistant to magnetic fields up to 15,000 gauss. A sapphire crystal with anti-reflective treatment on both sides covers the blue dial. This is a chronograph with a moonphase display, a tachymeter scale and a date shown by hand, and the ceramic caseback is sapphire so the movement stays visible. Power reserve runs to 60 hours. The blue alligator leather strap closes with a foldover clasp in ceramic. Water resistance is rated to 50 metres.