Omega
Speedmaster Calibre 321
Reference: 311.30.40.30.01.001
The Omega Speedmaster Calibre 321, reference 311.30.40.30.01.001, is a 39.7 mm watch in stainless steel with a black dial. Inside is the calibre Omega 321, a hand-wound movement with a 55-hour power reserve, visible through an exhibition case back. It shows the chronograph and comes on a stainless steel bracelet.
Case Information+
Case Size: 39.7 mm
Case Material: Stainless Steel
Case Back: Exhibition
Crystal: Sapphire
Movement+
Type: Mechanical Manual
Calibre: Omega 321
Power Reserve: 55 hours
Jewels: 17
Frequency: 2.5 Hz
VPH: 18,000
Complications: Chronograph, Small Seconds
Other+
Bracelet Material: Stainless Steel
Bracelet Colour: Steel
Dial Colour: Black
Water Resistance: 50 meters
Limited Edition: No
Questions about this watch+
- What movement is in the Omega Speedmaster Calibre 321?
- The Omega Speedmaster Calibre 321 uses the calibre Omega 321, a hand-wound movement with a 55-hour power reserve and 17 jewels.
- How big is the Omega Speedmaster Calibre 321?
- The case measures 39.7 mm across and is made of stainless steel.
- What complications does the Omega Speedmaster Calibre 321 have?
- Its complications are listed as chronograph.
- How water resistant is the Omega Speedmaster Calibre 321?
- It is rated to 50 m.
Incorrect or missing information? Let us know!
The data is collected from publicly available sources and may contain inaccuracies.