Seiko Cal. 6331 - 361

The Seiko 6331-361 represents an important milestone in Seiko's 1970 lineup. The Coin-Edge bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-5709d62d8348]

Also known as: Crown, Emperor

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1970

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