Part of the 2020 Symphony series, the NOMOS Tetra Immortal Beloved takes its name from a famous letter penned by Beethoven. Reference 447 comes with a closed case back, whereas reference 448 is equipped with an exhibition case back.
Movement Type
Manual
Caliber
AlphaJewels
17
Reserve
43
Frequency
21600
Hands
Small Seconds
Shape
Square
Lug Distance
18.00 mm
Material
Stainless Steel
Glass
Sapphire
Thickness
6.30 mm
Diameter
29.50 mm
Water Resistance
30.00 m
Dial Color
Turquoise