The NOMOS Tetra Norma 429 belongs to the Norma collection, characterized by DLC-coated stainless steel cases. It utilizes the hand-wound Alpha caliber, which is visible through the sapphire crystal 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
Grey