Seiko Cal. 6331 - 168

Seiko 6331-168

The 6331-168 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6331 caliber with 28j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-6892259907c1]

Also known as: Samurai, Helmet

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
38mm
Case Thickness
15.9mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
Black
Jewels
28j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1983

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seikata-wm-6892259907c1