Omega Caliber 321 Chronograph Watch
Automatic watch, 39.7 mm, in steel. Steel bracelet. Speedmaster Collection Heritage Models.
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| Collection | |
|---|---|
| Functions | Chronograph, Small seconds, Tachymeter |
| Movement | |
| Frequency | Transparent background |
| Dial size | 39.7mm |
| Dial thickness | 13.7mm |
| Waterproofing | 50m (5 bar) |
| Material | |
| Dial color | |
| Caseback | Transparent background |
| Watchband material | Steel |
| Strap color | Grey |
| Weight | 128g |
| Buckle | Folding clasp |
| Gender |
Having participated in all six lunar missions, the legendary OMEGA Speedmaster is one of the most iconic watches in the world. This model uses the famous caliber 321, an essential element in the history of the first watch to go to the Moon: the Speedmaster. The 39.7mm stainless steel case is inspired by the 3rd generation model worn during the first release in space from the United States in 1965. This watch features a polished black ZrO2 ceramic bezel topped with a white enamel tachymeter scale. The black step dial features signature Moonwatch hands. It is enhanced with a vintage OMEGA logo, a small seconds counter, a 30-minute counter, a 12-hour counter and a central chronograph hand. Caliber 321 is visible through the sapphire crystal case back.


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