OMEGA Speedmaster Calibre 321 Moonwatch Chronograph 39.7mm O31130403001001

Having been a part of all six lunar missions, the legendary OMEGA Speedmaster is one of the world’s most iconic timepieces. This model has reprised the famous Calibre 321, which was an important part of the Speedmaster’s original space history.

The 39.70 mm case is in stainless steel and is inspired by the same 3rd generation style worn during America’s first spacewalk in 1965. There is also a bezel ring in polished black ceramic [ZrO2] with the tachymeter scale in white enamel.

The black step dial features familiar Moonwatch hands, a vintage OMEGA logo, as well as a small seconds sub-dial, 30-minute recorder and 12-hour recorder along with a central chronograph hand. Through the sapphire-crystal caseback, you can see the Calibre 321 inside.

Calibre Omega 321: Famous manual-winding chronograph movement with column wheel mechanism, Breguet balance-spring and 18K SednaTM gold PVD coated finish. The calibre that was worn on the Moon.

FEATURES

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.

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 Case Back: A transparent case back - frequently made of sapphire - makes it possible to see the movement inside the watch.

TECHNICAL DATA

Between lugs
19mm

Bracelet
Steel

Case
Steel

Case diameter
39.7mm

Dial
Black

Crystal
Domed scratch?resistant sapphire crystal with anti?reflective treatment inside

Water resistance
50 Metres