Reference 439.SB is the closed-case-back variation of the NOMOS Tetra Salvia. It shares the same 29.5mm stainless steel design, sage green dial, and hand-wound DUW 4001 calibre as the rest of the Tetra Origins series, and is secured 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
Green
