The NOMOS Tetra 413 features an 18k gold case with a transparent case back, revealing its manual-wind Alpha movement. It is finished with a silver dial.
Movement Type
Manual
Caliber
AlphaJewels
17
Reserve
43
Frequency
21600
Hands
Small Seconds
Shape
Square
Lug Distance
18.00 mm
Material
Yellow Gold
Glass
Sapphire
Thickness
6.30 mm
Diameter
29.50 mm
Water Resistance
30.00 m
Dial Color
White
