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Speedmaster Moonwatch Professional 42 mm
310.55.42.50.13.001
Presented on a five-arched-links-per-row bracelet, this 42 mm Moonwatch in 18K Sedna™ Gold features sapphire crystal glass on the front as well as on the caseback. Inspired by the 4th generation Speedmaster style worn on the moon, it also includes a brown step dial and an asymmetrical case with diamond-paved bezel.
The watch is driven by the OMEGA Co-Axial Master Chronometer Calibre 3861, which powers the small seconds sub-dial, 30-minute recorder and 12-hour recorder, along with the central chronograph function.
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Speedmaster Moonwatch Professional 42 mm
310.55.42.50.13.001
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Features
Features
Anti-magnetic : The movement is unaffected by exposure to strong magnetic fields, even those greater than 1.5 tesla (15,000 gauss).
Chronograph : The chronograph function is a mechanism for measuring time intervals. A chronograph watch can therefore be used to time events while displaying the time like any traditional watch.
Chronometer : Label given to a watch which has undergone precision tests and received a certificate from an official body (COSC).
Diamonds : The hardest, most luminous precious stone whose value is calculated according to the 4C criteria: Cut – Carat – Clarity – Color.
Master Chronometer Certified : Guaranteeing the Swiss industry’s highest standard of precision, performance and magnetic-resistance, as set by the Swiss Federal Institute of Metrology (METAS).
Small seconds : A hand on a sub-dial which tracks seconds typically it completes a full rotation in one minute.
Tachymeter : A tachymeter watch has a function for measuring speed. It is a chronograph with a graduated dial on which speed can be read in kilometres per hour based on a 1000 metre distance.
Transparent caseback : A transparent caseback – frequently made of sapphire – makes it possible to see the movement inside the watch.
Technical Data
Reference : 310.55.42.50.13.001
Between lugs : 20 mm
Lug‑to‑lug : 47.50 mm
Thickness : 13.33 mm
Case diameter : 42 mm
Case : Sedna™ gold
Dial colour : Brown
Crystal : Scratch‑resistant sapphire crystal with anti‑reflective treatment inside
Water resistance : 5 bar (50 metres / 165 feet)
Total product weight (approx.) : 222 g
Calibre : Omega 3861
Movement Type : Manual‑winding
Power reserve : 50 hours
Bracelet
Material : Sedna™ gold
Type of Clasp : Foldover clasp with comfort setting

