Seiko Cal. 6331 - 944

Seiko 6331-944

The 6331-944 is a sought-after Solar piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-ef322587f1a9]

Also known as: Shogun, Tuna

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
38mm
Case Thickness
14.8mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
100m
Dial Color
Black
Jewels
21j
Frequency
28,800 bph
Power Reserve
40 hours
Year
1970

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