REFERENCE : 4329.30.44.51.04.001
這款 Speedmaster Racing Master Chronometer 型號配備 44.25 毫米不銹鋼錶殼和錶鍊，黑色陶瓷錶圈包括著名的白色琺瑯測速計刻度。
在白色錶盤上，有一個獨特的賽車風格的分鐘軌道，這就是手錶的名字。 還有兩個帶有黑色應用環的小錶盤以及一個與錶盤顏色融合的 6 點鐘日期窗口。 時針和分針以及箭頭時標均採用白色 Super-LumiNova 夜光材料塗黑。 橙色的觸感包括“Speedmaster”的名字和中央秒針的尖端。
腕錶搭載歐米茄同軸至臻天文台9900，經METAS認證，符合行業最高標準。
This Speedmaster Racing Master Chronometer model features a 44.25 mm stainless steel case and bracelet with a black ceramic bezel ring that includes the famous tachymeter scale filled with white enamel.
On the white dial, there is a distinctive racing style minute-track which gives the watch its name. There are also two subdials with blackened applied rings as well as a 6 o’clock date window that blends with the colour of the dial. The hour and minute hands and arrowhead indexes are blackened with white Super-LumiNova. Orange touches include the "Speedmaster" name and the tip of the central seconds hand.
The watch is driven by the OMEGA Co-Axial Master Chronometer 9900, certified by METAS at the industry’s highest standard.
OMEGA - SPEEDMASTER RACING CO‑AXIAL MASTER CHRONOMETER CHRONOGRAPH - 44mm
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).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).DATE
The day of the month, displayed in a window on a watch dial at the 3 or 6 o’clock position, or within a subdial at 9 o'clock.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.TIME ZONE FUNCTION
Allows the hour hand to be easily adjusted to different time zones without stopping the watch.TRANSPARENT CASE BACK
A transparent case back - frequently made of sapphire - makes it possible to see the movement inside the watch.TECHNICAL DATA
Between lugs: 21 mm
Bracelet: steel
Case: Steel
Case diameter: 44.25 mm
Dial colour: White
Crystal: Domed scratch‑resistant sapphire crystal with anti‑reflective treatment on both sides
Water resistance: 5 bar (50 metres / 167 feet)