The NOMOS Tetra 415 comes in an 18k gold case with a sapphire crystal case back to showcase the manual Gamma movement. It features a black dial.
Movement Type
Manual
Caliber
GammaJewels
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
Black
