The NOMOS Tetra² Hasenohr is housed in a 29.5 x 29.5mm stainless steel case featuring a closed back that obscures the hand-wound Alpha movement. It sports a green 'Hasenohr' dial.
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
Green