Seiko Cal. 6331 - 957

Seiko 6331-957

The 6331-957 is a sought-after Solar piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-4c019482d49e]

Specifications

Movement
Solar
Case Material
Titanium
Case Width
34mm
Case Thickness
8.2mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
160m
Dial Color
Black
Jewels
32j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1973

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