Reference 440.SB is the closed-back version of the NOMOS Tetra Basalt within the Tetra Origins series. It utilizes a 29.5mm stainless steel case, an anthracite dial with yellow accents, and the hand-wound DUW 4001 movement, completed by a beige vegan velour remborde strap.
Movement Type
Manual
Caliber
DUW 4001Jewels
17
Reserve
43
Frequency
21600
Hands
Small Seconds
Shape
Square
Lug Distance
18.00 mm
Material
Stainless Steel
Glass
Sapphire
Thickness
6.50 mm
Diameter
29.50 mm
Water Resistance
50.00 m
Dial Color
Grey
