The Speedmaster Jubilee Chronometer, introduced in 1992 and limited to 250 pieces, commemorates the 50th anniversary of caliber 321 (27 CHRO C12). It has a yellow gold case with a matching bracelet, and the caseback bevel bears the individual serial number. The black dial features applied hour markers and encircled subdials, and it is among the first Speedmaster Professionals to use a sapphire crystal; ref. 3194.50.00 is on a yellow gold bracelet, while ref. 3694.50.00 is on an alligator strap.
Shape
Round
Lug Distance
20.00 mm
Material
Yellow Gold
Glass
Dial Color
Black
Sapphire
Diameter
42.00 mm
Water Resistance
50.00 m