The Omega Seamaster Aqua Terra reference 221.20.42.40.01.001 was released as a 2008-piece limited edition celebrating the 2008 Beijing Olympics.
Movement Type
Automatic Chronograph
Caliber
3301Jewels
33
Reserve
55
Frequency
28800
Hands
Small Seconds
Shape
Round
Glass
Sapphire
Diameter
42.20 mm
Water Resistance
150.00 m
Dial Color
Black
Material
Beijing Olympics 2008