Chronograph
by Omega
Omega Speedmaster Calibre 321 Chronograph 39 7mm
Speedmaster Calibre · Speedmaster Calibre 321 Chronograph 39 7mm
- Case
- 39.7 mm
- Thickness
- 13.7 mm
- Lug width
- 19 mm
- Crystal
- Sapphire
- Market price
- $17,300
Updated 11 November 2026
About this watch
The Omega Speedmaster Calibre 321 Chronograph 39 7mm is a 39.7 mm watch from the Speedmaster Calibre collection. Its stainless steel case is 13.7 mm thick and 48 mm from lug to lug, with 19 mm lugs. It is water resistant to 50 m. The crystal is sapphire.
The manufacturer’s list price is US$17,300.
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