Seiko Cal. 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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