Family: Speedmaster Automatic
Reference: 304.33.44.52.01.001 (aka: 30430445203001)
Name: Speedmaster Moonphase Chronograph Master Chronometer Stainless Steel / Black
- Small seconds
- Transparent case back
- Crystal:Scratch-resistant sapphire crystal with anti-reflective treatment on both sides
- Dial: Black
- Water resistance: 10 bar (100 metres / 330 feet)
- Size: Case Diameter: 44.25 mm
Baed on caliber 9300, the 9904 features a moonphase indicator at 6:00. The date is now shown through a subdial at 9:00. This movement furthermore is magnetic resistant to over 15,000 gauss, features a silicon SI14 balance spring and a free sprung balance, Omega's 3-level co-axial escapement and 2 serially mounted barrels providing a power reserve of 60 hours.
Calibre: Omega 9904
Self-winding chronograph movement with column wheel mechanism and Co-Axial escapement. Movement and watch tested according to Master Chronometer certification process approved by METAS. Resistant to magnetic fields reaching 15,000 gauss. Silicon balance-spring on free sprung-balance, 2 barrels mounted in series, automatic winding in both directions. Central hour, minute and chronograph seconds hands, small seconds hand, date indication by hand, 12-hour and 60-minute recorders and moonphase indication. Rhodium plated finish with Geneva waves in arabesque.
Power reserve: 60 hours
Type: Self winding
Introduced in anticipation of BaselWorld 2016, the Speedmaster Moonphase Chronograph Master Chronometer is a new model in the Speedmaster family, fitted with a new, in-house, METAS-certified chronograph movement with moonphase complication and date based on caliber 9300.
This 44.25 mm model features a black sun-brushed dial, with rhodium-plated indexes and hands. At 6 o'clock is the accurate Moonphase indication, which features a metallic crystal disc microstructured to obtain a high resolution image of the moon.
The stainless steel case is complemented by a black ceramic bezel ring with Liquidmetal® tachymeter scale and presented on a stainless steel bracelet with a polished-brushed foldover clasp.
Powering the timepiece is the OMEGA Co-Axial Master Chronometer 9904, which has been officially certified by METAS.